Lucy and Linus from Peanuts (who where brother and sister) had another little brother named Rerun. (He sometimes played left-field on Charlie Brown's baseball team, [when he could find it!]).

Lucille “Lucy” van Pelt is a fictional character in the syndicated comic strip Peanuts, written and drawn byCharles Schulz. She is the main bully and the older sister of Linus and Rerun. Lucy is a crabby and cynical eight-year-old girl, and often bullies the other characters in the strip, particularly Linus and Charlie Brown. She is often referred to as the world’s greatest fussbudget, mostly by her mother.

The best friend of Charlie Brown, Linus is also the younger brother of Lucy van Pelt and older brother of Rerun van Pelt. He first appeared on September 19, 1952; however, he was not mentioned by name until three days later. He was first referenced two months earlier, on July 14. Linus spoke his first words in 1954, the same year he was shown with hissecurity blanket. On the various specials, Christopher Shea first voiced Linus van Pelt in 1965. His younger brother, Stephen, voiced Linus from 1971 until 1975. Various actors (among them Jeremy Miller of Growing Pains fame) have played Linus since then. Also, Law & Order: Special Victims Unit star B.D. Wongportrayed Linus in the Broadway revival of You’re a Good Man, Charlie Brown. He was played by Colton Haynes in FunnyOrDie’s “Charlie Brown: Blockhead’s Revenge.” In the 2011 FOX special, Happiness is a Warm Blanket, Charlie Brown, he was voiced by Austin Lux.