Jonathan Katz. · CC BY-SA 3.0

Voiced and starred in Dr. Katz, Professional Therapist, the pioneering Squigglevision animated sitcom in which real stand-up comedians improvised sessions with his low-key therapist character — an unusual format that helped define Comedy Central's 1990s identity. He also voiced Erik Robbins in Home Movies and continues to produce the podcast Hey, We're Back.