Блейк МакИвер Юинг

American singer-songwriter, actor, and pianist. He was known for playing Michelle's friend, Derek, on the sitcom Full House. Ewing also portrayed the role of Waldo in the 1994 feature film version of The Little Rascals, and voiced Eugene on Hey Arnold! during its 5th season. He is currently one of the hosts of the Bravo series The People's Couch.