PERFORMER Joey Mazzarino
DEBUT 1991

Merry Monster is a Sesame Street monster who first appeared in season 23. She continued to be a regular character through season 26, making only minor appearances since.

Despite her small size and meek voice, Merry is known for being loud and sometimes obnoxious. Her roar is louder than that of Chicago the Lion.

She sang "That's the Letter O" with Queen Latifah and Prairie Dawn in season 24.

Book appearances