question: What cartoon featuring the antogonist "the Red Guy" also hosted Antoinetter Spolar as a guest?
answer: Cow and Chicken
context: Title: Cow and Chicken
  Passage: Cow and Chicken is an American animated comedy television series created by David Feiss for Cartoon Network, and the 3rd of the network's Cartoon Cartoons.  It follows the surreal adventures of two funny animal siblings, Cow and Chicken.  They are often antagonized by the Red Guy, who poses as various characters to scam them.
  Title: Antoinette Spolar
  Passage: Antoinette Spolar is an American actress who is best known for playing the role of Larry David's receptionist on the hit HBO series "Curb Your Enthusiasm".  She has made many guest appearances on shows such as "Friends" and "Cow and Chicken".  She was also an impersonator on "Invader Zim".  The celebrities she impersonated were Haylie Duff, Sheryl Crow, and Edie McClurg.
  Title: Mad as a Mars Hare
  Passage: Mad as a Mars Hare is a 1963 Warner Bros. Merrie Melodies cartoon featuring Bugs Bunny and Marvin the Martian.  The cartoon's title is a play-on-words of the famous phrase to be "mad as a March hare", the origins of which are disputed.
citations: Cow and Chicken Antoinette Spolar