Characters
a special kind of character who the main character confides in and is usually static
Confidant
a special kind of flat character who is instantly recognizable to most readers. EX: the shushing old, white-haired librarian
Stock
These characters fulfill background or “filler” roles.
Stock
Simba confides in the baboon, Rafiki
Confidant
a special kind of character who is used to enhance another character through contrast.
Foil
The wicked witch is this for Dorothy in The Wizard of Oz
Foil