Strebel was found dead in a Motel 6 room in Los Angeles, three days after he was reported missing, said Entertainment Weekly.
The cause of death has not yet been determined.
In 2014, Strebel appeared on "My Strange Addiction" and talked about the many surgical procedures he underwent to look like Bieber, including hair transplants, lip surgery, and a chin reduction.
Strebel is best known for appearing on E!'s "Botched" where he was shown recording his own music.
Strebel said in that episode his goal was to look like how Bieber used to look when he was "really young."
He said his "ultimate dream" was to duet with the pop star.