Conversation so far:
When did Ryan Dunn begin to get famous?
Ryan Dunn took part in the characteristic stunts that made Jackass famous, and featured in three released films, Jackass: The Movie, Jackass Number Two and Jackass 3D.
When did Jackass come out?
Jackass, the television show, aired from 2000 to 2002 and Jackass: The Movie, came out in 2002.
How did Ryan Dunn rise to fame?
Ryan Dunn rose to fame as a member of the CKY Crew with Bam Margera, for their extreme stunts and pranks recorded on camera, leading to the rise of Jackass.
Were Ryan Dunn and Bam Margera successful?
In MTV's Jackass, Bam Margera and Ryan Dunn became mainstays of the cast while other CKY crew members played supporting roles to various degrees.

Question: Have they participated in anything else?
Self-contained rewrite: Have Ryan Dunn and Bam Margera participated in anything else besides Jackass?