In addition, Stein's voice roles include The Pixies, magical creatures on the animated series "The Fairly OddParents"; Mr. Purutu on the animated series "The Emperor's New School"; Professor Wisenstein in "Bruno the Kid"; the birthday party clown, Mr. Giggles, on ""; a bingo caller on "Rugrats"; and Pip on "Animaniacs". Futterman in "Freakazoid". Stein also voiced a psychiatrist, again named after himself, in the USA TV series "Duckman"; he once appeared in the sitcom "Married... with Children" as a receptionist in the animal afterlife. He also made a cameo appearance in the comic book "Young Justice", as Ali Ben Styn. Another cameo appearance was as Rabbi Goldberg in the "Family Guy" episodes "When You Wish Upon a Weinstein" and "Family Goy". Stein also voiced the character Sam Schmaltz in the 1996 computer adventure game "Toonstruck".