Conversation so far:
What did donovan do when Art Donovan left the nfl?
He published an autobiography, Fatso.
Was the autobiograpghy a hit?
CANNOTANSWER.
What did he do after the autobigraphy was published?
He was noted as a jovial and humorous person during his playing career and capitalized on that with television and speaking appearances.
Did he ever become a sports announcer?
He also appeared as a guest commentator at the WWF King of the Ring tournament in 1994.

Question: What kind of television and speaking appearances did he make?
Self-contained rewrite: What kind of television and speaking appearances did Art Donovan make?