Pip is Charlies most trusted best friend. Pip will follow Charlie where ever he will go, no matter what situation he is in. As Charlie is scared of the dark and what could be hiding within it, Pip will always be there to light the way with his very strong lantern. Even though Pip is a mouse he is unusually big for his size and he is smarter than most other creatures, as Pip is imaginary he can change in many ways from stretching out his tail to even growing in size, Pip is also very smart and can assist Charlie with the puzzles if he gets stuck.