Conversation so far:
what happened in 2005 to sean waltman?
In February 2006, Waltman joined MTV's.
What did he do there?
formed Wrestling Society X (WSX) promotion, as 6-Pac.
Was he contreversial?
He challenged Vampiro in episode four.
What was the response to the challenge?
as a ruse to introduce Ricky Banderas.
What did he do next?
Waltman, under his real name, defeated Adam Pearce for the NWA Heritage Championship.
Who did he wrestle after that win?
Waltman teamed with Billy Kidman in a three-way tag match in McAllen, Texas for the NWA World Tag Team Championship.
What other matches during this time frame?
On the May 14, 2008, episode of NWA Wrestling Showcase, Waltman challenged Pearce for the NWA World Heavyweight Championship.

Question: Did he win any more championships?
Self-contained rewrite: Did  Sean Waltman win any more championships?