"I Am Furious Yellow"

In The Simpsons episode "I Am Furious Yellow," Bart is inspired to create his own comic. His attempts are ridiculed by Comic Book Guy, until he uses Homer Simpson as his muse. Bart begins to chronicle Homer's daily outbursts in an online comic strip called "Angry Dad." When Homer catches on and starts to suppress his anger, Bart plays a prank on him to get Homer's inner rage to come out. After Homer is subdued, he realizes he shouldn't keep his anger inside.