Windham had a great run in WCW from 91-93. His heel run as NWA Champion was especially good.
Heenan was still on top of his game, well into the NWO era of WCW.
Raven only got the biggest pop in the history of ECW, so, no.
Jesse Ventura was one of the highlights of the pre-Hogan WCW era.
If you mean Steamboat in WWF, then yes. His last few years in WCW were exceptionally great, though.
Whaaa? His feud with Page was one of the best things that WCW did while they were on top.