A pun is like a little puzzle. When your brain first hears or reads it, it scrambles to figure out the joke. When the puzzle is solved, you'll either groan and roll your eyes, or laugh, and search for an opportunity to drop it into your next dinner party conversation. Writers work hard to artfully convey the symbolism of their characters, and sometimes they end up with very obvious, eye-roll worthy puns that, if nothing else, serve to keep us entertained. Some films are so cartoonish that the pun name feels appropriate and fun, other times, it's a trite placeholder that somehow slipped through the cracks.
Alotta Fagina in 'Austin Powers: Man of Mystery'
Basically All Of The Townsfolk In ‘Hot Fuzz’
Miles in 'Baby Driver'
Jack T. Ripper In ‘Dr. Strangelove, or: How I Learned to Stop Worrying and Love the Bomb’
Kilgrave In 'Jessica Jones'
Lorenzo Zoil in 'Paul'
Truman in 'The Truman Show'