Christopher Alexander Luis Casillas von Uckermann (born October 21, 1986) is a Mexican-Swedish singer, songwriter and actor. He started his acting career when he was only two years old in TV commercials, and became known worldwide after his roles as Diego Bustamante in the soap opera Rebelde and Father Ramiro Ventura in the supernatural horror web series Diablero. He was a member of the band RBD from 2004 to 2009 and has been a solo artist since the band's split, having released one album, Somos, in 2010, and one EP called La Revolución de los Ciegos in 2017.