Nils Allen "Booboo" Stewart Jr.[1] (born January 21, 1994) is an American actor, musician, and visual artist.

He is known for playing Seth Clearwater in The Twilight Saga, Warpath in X-Men: Days of Future Past, Jay in the Disney television film franchise Descendants, Luca in Good Trouble, and Willie in Julie and the Phantoms.

He was a former member of T-Squad, a Disney hip-hop/pop group, and performed with his sisters, Fivel and Maegan, as part of "TSC" (The Stewart Clan).

He had roles on episodes of Steve Harvey's Big Time Challenge, ER, Dante's Cove, Everybody Hates Chris and R.L.

In 2013, Stewart appeared in Space Warriors alongside Danny Glover, Dermot Mulroney, Josh Lucas, Mira Sorvino, directed by Sean McNamara.

[12] He also travelled to Perth, Australia for the Channel 7 Telethon, raising money for the Princess Margaret Hospital for Children.

Stewart and his sister Fivel also hosted free concerts on behalf of the national non-profit organization Childhelp.