He has many jobs on Sesame Street: assisting Kermit the Frog and others with demonstrations, working as a waiter at Charlie's Restaurant, taxi driver, picture frame maker, and various others. Grover also frequently transformed into his alter ego, Super Grover, who would fly around "solving" everyday problems. When Frank Oz is unavailable, Eric Jacobson performs Grover for various scenes and skits. Grover also hosts a skit in the later seasons of Sesame Street entitled Global Grover, in which he shows videos of his adventures around the world.