From Austin Improv Wiki
Hell's Bells was an improv duo.
 Press BlurbTheir press blurb, taken from a 2011 application to perform at The Hideout Theatre:
Jason Vines and Ann Wilson are two performers with no fear of taking giant risks on stage. Each show is a new exciting adventure.
 "What's Your Deal?"Their answer to the "What's Your Deal?" question on a 2011 application to perform at The Hideout Theatre:
We do character driven harolds.