|Parents:||Prince Callous and Prince Dingus (fathers)|
|Grandparents:||Queen Mildew (Grandmother)|
King Amoeba (grandfather)
|Other relatives:||Herb Star and Sluggo (First Cousins Once Removed)|
Patrick Star, Sam Star, Ed Star, and Gary the Snail (First Cousins Twice Removed)
Patron (First Cousin Several Times Removed)
|Appearance:||"Rule of Dumb"|
|List of characters|
Carl is the grandson of King Amoeba and Queen Mildew, the nephew of Yorick and Princess Tulsa, the son of Prince Callous and Prince Dingus, the 1st Cousin 2x Removed of Patrick, Samantha, Gary and Ed, the 1st cousin of Maw Tucket, the 1st Cousin 1x Removed of Herb, Sluggo, and an unknown brother of Herb and Sluggo, a descendant of Primitive Star, Patar, and Pecos Patrick, and one of Patron's ancestors and his 1st Cousin Several Times Removed.
He is dark purple. He wears glasses, a brown hat with a black stripe, and a pink one-piece suit.
He only appears in Rule of Dumb on the family tree.
- He looks similar to the Royal Crown Polisher.
- He is the first and only in his family line to not have children.