Conversation so far:
What happened to Rey Mysterio in the 1996–1998 Cruiserweight division?
Rey Mysterio made his World Championship Wrestling (WCW) debut on June 16, 1996, at The Great American Bash.
Was Rey Mysterio champion wrestler during the 1996–1998 Cruiserweight division?
On July 8, Rey Mysterio defeated Malenko to win his first Cruiserweight Championship.
were there any other titles won by Rey Mysterio, besides the 1996 Cruiserweight Championship?
Rey Mysterio defeated Guerrero in a Title vs. Mask match at Halloween Havoc to win the Cruiserweight Championship for the second time.
During the 1990s was Rey Mysterio on tv for the Cruiserweight division?
In early 1997, Rey Mysterio feuded with Prince Iaukea over the WCW World Television Championship.

Question: Was he successful in this division?
Self-contained rewrite: Was Rey Mysterio successful in the Cruiserweight division?