Lefty is a custom made by froakie. He or she first appear in Lefty's Libary as a quiet character. It also appear as one of the school offical in New Teacher
Lefty is a librarian that first appeared in Lefty the Librarian where he kicked everyone out of his library because BB was being annoying. Lefty also made an appearance in The New Teachers where he had a small appearance and was hated by Phantom Foxy all because he was a custom.