They probably didnt have a name until a human named them!!!!!
In the Westing Game, Turtle Wexlers real name was Alice.
Saix's real name is Isa, as revealed in Kingdom Hearts Birth by Sleep.
Angela's real name is never revealed.
never revealed
It was never revealed.
His real name is currently unknown. It may or may not ever be revealed.
It is never revealed. Although I do call him Fabio.
Myrtle is, presumably, her real first name. Her last name is never revealed.
Sarah's real name is not Jenny Burton her real name will be revealed in season 3 episode 08 Chuck vs The Real Name: Her real name is Sam!
It was never revealed in the show.
Stiles' real name is not yet revealed and his real life name is Dylan O' Brien.
"Pig-Pen" is a nickname , his actual name is never revealed .