Conversation so far:
What other media was Matt Hardy involved in?
n 1999, Matt Hardy, along with his brother Jeff, appeared as an uncredited wrestler on That '70s Show episode That Wrestling Show“
Was Matt Hardy's appeareance as an uncredited wrestler on That '70s Show episode That Wrestling Show“successful?

Question: What else did they do?
Self-contained rewrite: What else did Matt hardy and his brother do?