"Jackass" star Ryan Dunn was killed early this morning when his Porsche flew over a guardrail in West Goshen, Pa. and hit a tree then burst into flames, according police on the scene.

Dunn had a passenger who died as well, but has yet to be identified.

Dunn was identified by his tattoos, according to a witness who was on the scene when the bodies were pulled from the wreckage.

Bam Margera's mom, April called into a radio show and confirmed that one of the stars of MTV’s "Jackass” was killed in a one car accident early this morning.

The one-car accident happened around 2:30 a.m.

Dunn was better known primarily for his dangerous antics and practical jokes. Dunn also co-hosted a show on the G4 network called "Proving Ground."

Ryan Dunn was 34.