Recurring Guest Characters Scientist 1 guest appearances Grimes Ad 1 guest appearances Grimes Ad 1 guest appearances Scientist 1 guest appearances Mario Van Peebles 1 guest appearances Mike Myers 1 guest appearances Kenny G 1 guest appearances Peter Jackson 1 guest appearances Kristin Chenoweth 1 guest appearances Billy Eichner 1 guest appearances Rebecca 1 guest appearances Keegan-Michael Key 1 guest appearances Defendant 1 guest appearances Jon Stewart 1 guest appearances Jimmy Fallon 1 guest appearances Bird 1 guest appearances Cloris Leachman 1 guest appearances Rita Moreno 1 guest appearances William Shatner 1 guest appearances Lily Tomlin 1 guest appearances ⇤ « 1 2 3 4 5 6 » ⇥