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.

Question: Were they successful?
Self-contained rewrite: Were Ryan Dunn and Bam Margera successful?