|Character of Hey Arnold!|
|Wittenberg's Little Brother|
|Family||Brother Jack Wittenberg|
Nephew Tucker Wittenberg
Sister-In-Law Tish Wittenberg
Wittenberg's Little Brother is a fictional character in the Hey Arnold! TV Series.
He is Jack Wittenberg's brother. Wittenberg's Brother only appearance was in the episode "Synchronized Swimming", where he appears in Jack's memory when they went together with their family to a drive-in theater. They were watching the film "Come Back Wayne".
His real name is unknown.