If you are having any trouble finding the locations of these character tokens, you can use a map of the HUB, found here.

Hagrid
Location:
Felix Felicis (Level)
Cost:
500,000
Abilities:
Very Strong
How to get:
As soon as you enter the grounds of Hogwarts, head down the hill and you will see a red wall. Beside that wall there is a pad for Hermione’s bag, but it has two rocks on it. Use dark magic to remove the rocks, then use the pad to access Hermione’s bag. She will pull out a box of fruit. Hit it with a spell to destroy it and you will get the token.

Hagrid (Wedding)
Location:
The Horcrux And The Hand (Level)
Cost:
500,000
Abilities:
Very Strong
How to get:
Pull the strong handle on the box next to Hagrid’s hut, at the end of the level.

Argus Filch
Location:
Weasley Storage
Cost:
20,000
Abilities:
None
How to get:
Open the rune cabinet on the left side of the room, to release the token.

Godric Gryffindor
Location:
None
Cost:
None
Abilities:
None
How to get:
This character is only available as part of the Character Pack DLC.

Helga Hufflepuff
Location:
None
Cost:
None
Abilities:
None
How to get:
This character is only available as part of the Character Pack DLC.

Rowena Ravenclaw
Location:
None
Cost:
None
Abilities:
None
How to get:
This character is only available as part of the Character Pack DLC.

Salazar Slytherin
Location:
None
Cost:
None
Abilities:
None
How to get:
This character is only available as part of the Character Pack DLC.

Ginny Weasley
Location:
Love Hurts (Level)
Cost:
100,000
Abilities:
Arnold (Pet)
How to get:
When you have gotten the potion ingredient out of the fire, use Aguamenti to put out he flames. You can then dig through the ashes left behind to uncover the token.

Ginny (Dress)
Location:
Divination Courtyard
Cost:
100,000
Abilities:
Arnold (Pet)
How to get:
Around the courtyard, there are three hanging baskets that need some attention. There is one either side of the entrance into the courtyard, and one beside the door leading to the astronomy tower. You must first build the baskets, then hit each one with a spell. This will give you the token.

Ginny (Pyjamas)
Location:
Gryffindor Common Room
Cost:
100,000
Abilities:
Arnold (Pet)
How to get:
Use magic to turn the portrait around, that hangs beside the exit. Hit the guy juggling, with a spell and he will drop the token for you.

Fred Weasley
Location:
Weasley Wizard Wheezes
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
To the right of the code entry board, there is a small box with two fireworks in it. Hit it once with a spell to let the fireworks off, then hit it again to destroy the box.

Fred Weasley
Location:
Weasley Wizard Wheezes
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
To the right of the code entry board, there is a small box with two fireworks in it. Hit it once with a spell to let the fireworks off, then hit it again to destroy the box.

Fred (Winter)
Location:
Hogsmeade Path (Winter)
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
On the path that leads to Hogsmeade villiage, there is a cart opposite the owl post stand. Smash it completely to reveal the token.

Fred (Pyjamas)
Location:
Weasley Wizard Wheezes
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
To the right of the code entry board, there is a pile of junk near the bottom of the two steps leading down into this area. Amongst these objects there is a small box with a purple lid. hit this with a spell to reveal the token.

Fred (OWLs)
Location:
Weasley Courtyard
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
Beside the fountain there is a small tank. Use Aguamenti to fill it with water and the token will pop out of the fountain.

George Weasley
Location:
Weasley Wizard Wheezes
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
To the left of the code entry board, there is a small box with two fireworks in it. Hit it with a spell to release the fireworks, then hit it again to destroy the box.

George (Winter)
Location:
Hogsmeade Path (Winter)
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
On the path that leads to Hogsmease villiage, there is a frozen tree. You will find it just before going into the villiage. Use magic to shake the ice off the tree, then smash it open to get the token.

George (Pyjamas)
Location:
Weasley Wizard Wheezes
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
On the ground floor of the shop, on the right hand side, there are three silver cages with pygmy puffs in them. Break all three open and you will get the token.

George (OWLs)
Location:
Weasley Courtyard
Cost:
60,000
Abilities:
Decoy Detonator
How to get:
There are three shields that you must find in this area and return them to their correct spot on the back wall. To find the first, unfold the Slytherin banner that is to the right of the shield plaques. For the Ravenclaw shield, use Lumos on the vines to the left of the fountain to get the blue shield. For the gryffindor shield, use a pet, or a character with a shivel, to dig on the dig spot and dig up the shield. When all three shields are back in place beside the Hufflepuff one, you will get the token.

Neville Longbottom
Location:
A Giant Virtuoso (Level)
Cost:
50,000
Abilities:
Can Dig, Trevor (Pet)
How to get:
When you find Grawp asleep in the forest, there is a box beside him with a strong character handle on it. Pull this open to get the token.

Neville (Tank Top)
Location:
Hufflepuff Corridor
Cost:
50,000
Abilities:
Can Dig, Trevor (Pet)
How to get:
Use Reducto on the padlock, on the large chest on the right. Hit the chest with a second spell and you will get the token.

Neville (Cardigan)
Location:
Burning Bridges (Level)
Cost:
50,000
Abilities:
Can Dig, Trevor (Pet)
How to get:
When you reach the Chamber of Secrets, you will find two large, black rocks near the circular serpent door. Use dark magic to break them both open. One will give you a pad to use Hermione’s bag, which she will pull a snakes head from. The other will give you a dig spot which you can get a jewel out of. PLace the jewel into the snakes mouth to get the token.

Neville (Pyjamas)
Location:
Divination Classroom
Cost:
50,000
Abilities:
Can Dig, Trevor (Pet)
How to get:
To the right of the door, there are three large cups hanging from the ceiling. Break all three and rebuild the bricks into one large tea cup.

Neville (Winter)
Location:
Dumbledore’s Army (Level)
Cost:
50,000
Abilities:
Can Dig, Trevor (Pet)
How to get:
Near the start of the level, cross the water and go behind the dragon hutches to find some Spectrespecs. Put them on and come back across the water to find the spectre bricks on the left. Build them up into a snowman and, when he has finished dancing, he will give you the token.

Neville (Waiter)
Location:
Divination Courtyard
Cost:
250,000
Abilities:
Can Dig, Trevor (Pet)
How to get:
Put on the Spectrespecs and walk to the middle of the courtyard. Here you will find some Spectre bricks which you can build to add onto the wierd plant-looking thing. When you have done this, the plant will open and give off a stream of air. Jump into that stream and you will be carried up to the token.

Seamus Finnigan
Location:
Burning Bridges (Level)
Cost:
10,000
Abilities:
None
How to get:
When you start at the bridge, head down the ramp a little way and use the deluminator. Now go back up the ramp and use the deluminator again to light the lamp near the large spider. This will give you a Weasley box, which you can get some sticky trainers out of to walk up the wall here and collect the token.

Seamus (Winter)
Location:
Hogsmeade Village
Cost:
10,000
Abilities:
None
How to get:
In the middle of the village there are two piles of snow which can be dug. Use a pet or a character with a shovel, to dig the pile on the right.

Parvati Patil
Location:
Hogsmeade Village
Cost:
10,000
Abilities:
None
How to get:
Follow the path that runs to the left of the entrance to the Three Broomsticks pub. It is a dead end but there is a cart at the end. Hit it with several spells and destroy it to release the token.

Dean Thomas
Location:
Great Hall Entrance
Cost:
50,000
Abilities:
None
How to get:
The token is hidden behind the sculpture in the back, right hand corner of this area. You only need to walk behind the sculpture to pick it up.

Dean (Winter)
Location:
Hogsmeade Village
Cost:
50,000
Abilities:
None
How to get:
In the middle of the village there are two piles of snow which can be dug. Use a pet or a character with a shovel, to dig the pile on the left.

Cormac McLaggen
Location:
7th Floor Corridor
Cost:
55,000
Abilities:
None
How to get:
Swing the four chandaliers using magic, to get the token to appear.

Cormac (Suit)
Location:
Just Desserts (Level)
Cost:
55,000
Abilities:
None
How to get:
Use Aguamenti to put out the fire at the back of the Three Broomsticks pub.

Katie Bell
Location:
Thestral Enclosure
Cost:
70,000
Abilities:
None
How to get:
Walk to the left until you come to the fallen tree trunk that you can walk through. Before going through, walk towards the screen and drop down off the ledge to an area below. There is a large rock here that you can use dark magic on to reveal another, smaller rock inside. Jump on the new rock and more rocks will raise out of the water to the left, with the token on top.

Lavender Brown
Location:
Aguamenti Classroom
Cost:
10,000
Abilities:
None
How to get:
In the right hand corner of the room, there is a wizard statue. Hit it three times with a spell and each time you do, you will get some studs. After the third spell, you will get the token.

Draco Malfoy
Location:
Defence Against the Dark Arts Classroom
Cost:
1,000,000
Abilities:
None
How to get:
Use dark magic on the large chest at the back of the room. You will tip out some pieces of Lego that go on the skeleton to the right of the chest. Place all three pieces on the skeleton and it will throw the token up for you.

Draco (Suit)
Location:
Love Hurts (Level)
Cost:
1,000,000
Abilities:
None
How to get:
When Malfoy is hiding in the bathroom, go round to the back of the stalls and you will find a cart that can only be moved by dark magic. When you have moved it, go behind the stalls and you will find a lit lamp. Use the deluminator to take the light, then head back to the sink area. Above the sinks on the left, there is another lamp. Light this with the deluminator, then wait a few moments for the token to appear.

Draco (Sweater)
Location:
Slytherin Corridor
Cost:
1,000,000
Abilities:
None
How to get:
Use the parceltongue panel to open the gate at the back of this area and collect the token.

Vincent Crabbe
Location:
7th Floor Corridor
Cost:
60,000
Abilities:
None
How to get:
Stand with your back to the large double doors that lead into the Room of Requirements. Walk towards the screen and, after a short distance, you will see a suit of armour on your right. (The characters left) Hit this with a spell three times, to smash it open and take the token.

Crabbe (Jumper)
Location:
The Lake
Cost:
60,000
Abilities:
None
How to get:
At the bottom of the stairs, to the right of them, there is a small box with a strong handle on it. Pull this to open the box and reveal the token.

Gregory Goyle
Location:
Fiendfyre Frenzy (Level)
Cost:
60,000
Abilities:
None
How to get:
When the room has been set alight, and you are working your way across the top of all the objects in the room, head to the right and you will see a vault. Use a key character to open this up and get the token from inside.

Goyle (Jumper)
Location:
Slytherin Corridor
Cost:
60,000
Abilities:
None
How to get:
In this area there are two large snake heads. The one on the left has an empty tank beside it. Use Aguamenti to fill this tank, then jump onto the plunger next to it. This will squirt the water into the other snake’s mouth and you will find the token.

Blaise Zabini
Location:
Common Room Corridor
Cost:
80,000
Abilities:
None
How to get:
Stand outside the Slytherin common room and use dark magic on the object above the door. Build the resulting bricks into a pad for Hermione to use her bag. She will pull out a battering ram. Use magic to pick it up and knock down the door. The token is just behind it.

Blaise (Black Shirt)
Location:
7th Floor Corridor
Cost:
80,000
Abilities:
None
How to get:
Around this corridor there are four pillars that need to be lit. Hit each one with a spell and the top will spin round and ignite itself. Do this with all four to get the token.

Slytherin Twin #1
Location:
Knockturn Alley
Cost:
30,000
Abilities:
None
How to get:
Outside Borgin & Burkes, there are three cages with lobsters in. Break the one nearest to the door to the shop to get the token out.