Creel was a boxer, not a wrestler. But there was also a wrestler who used that moniker, Crusher Hogan, the guy Spider-Man fought in his early days. >>87526174
On a few occasions (Daredevil: Yellow & the DD TV series) he's been pegged as the wrestler Battlin' Jack was supposed to throw his last match to, but did not, resulting in his death soon thereafter. >>87520102
I can't imagine Jen adopting another name at this point. Maybe it could have been done in the '80s as John Byrne fleshed out her character, but after nearly forty years, she'll always be the Savage, Sensational She-Hulk at the end of the day.