Nils Allen Stewart Jr., more commonly known as "Boo Boo Stewart" is an American singer, dancer, model, child actor, and martial artist. He was born on January 21, 1994 in Beverly Hills, Calif.
He began his claim to fame during most of his child life competing in the world of martial arts. By the end of 2002, Stewart had won all available titles and was crowned World Champion in all divisions, an achievement he repeated in 2003.
Stewart has also appeared in numerous national TV commercials, print campaigns, and has had appearances on TV shows and in feature films. His martial arts background has made him capable of being a stuntman as a result, he has done stunts for Beowulf, The Kings of Babylon and Skeleton Man.
The actor's most recent industry achievement is his involvement in the smash Twilight film franchise. Stewart appears as werewolf Seth in the third installment, Eclipse.
Along with Stewart's success in the entertainment business, he is also proud of being a member of the 'Gate' academically gifted children program.