Mr. Snuffleupagus, Telly Monster (1984–present), Slimey the Worm, Fluffy, Buster the Horse, Irvine, Monty, Vincent Twice, Mrs. Grouch, Sullivan, Shelley the Turtle, Old MacDonald, Dicky Tick, Ralphie, Tito, Otto the Grouch, Earl (1995), Bart (2017), Mommy Snuffleupagus (1980s), Freddy (2018), Big Bad Wolf (occasionally), Various