Frog (Nicked by a Name)

Unnamed Frog can be seen in Brains fantasy giving him an account of some sort because of his nick names for his friends.He gives the account to some one else after he can't make up a new name for Arthur. Although Unnamed Frog only appears in Nicked by a Name he has a few lines in it like " You've got the account" and more.

Physical Appearance 

He wears a blue tuxedo and is a frog.