Dennis Rodman

Dennis Rodman is a friend of the Solomon family and seems to from the same planet that they do. He seen int he episodes 'See Dick Continue to Run'  Part I and Part II

He is also mentioned to be an alien living on earth at the end of Men in in Black.

Elle: "Hey, Jay! Zed called. The high consulate from Solaxiant 9 wants floor seats for the next Bulls game."

Jay:"Alright, let's put in a call to Dennis Rodman. He's from that planet.

Elle: "Rodman? You're kidding."

Jay "Nope."

Elle: "Not much of a disguise."