What was Linus and Lucy's little brothers name in the Peanuts cartoon?

Lucy van Pelt has two(2) younger brothers: Linus van Pelt and Rerun van Pelt. Linus is more well known among Peanuts fans as he is Charlie Brown's closest friend. Rerun is more frequently mentioned in later comic strips and in appears in a few TV specials such as: I Want a Dog for Christmas, Charlie Brown.