Cole Trickle
Miles Gloriosus
Erronius
Hysterium
Dusty Bottoms
Amber Lamps
Zaphod, while originating in print form, has been featured in adaptations of Hitchhiker’s Guide over the years, including played by Sam Rockwell.
The rest, I admit, don’t necessarily fit the criteria of the OP, but strike me as tangential to the OP.
Vermithrax Pejorative
Egon Spengler
Captain Jack Harkness
Boris Badenov
Basil Exposition.
Beetlejuice
Crap Game
Eve Tessmacher
No love for Mongo?
He has a wife, you know. Her name is Incontinentia… Buttocks
You forgot Plenty O’Toole, from Diamonds are Forever. Bond says “Named after your father, I suppose?”
Many of the names are from the books though.
“What’s your name?”
“Lester. Lester the Molester Cockenschtuff.”
“Wow. That’s a great porn name.”
“I get to pick a porn name? Then I want to be called Pete Jones.”
What, no love for Hymie? His father’s name was Hymie
Abe Froman, Sausage King of Chicago
Harvey Manfrenjensenden
John Cocktostoen
Mr. Poon
Bigus Dickus
Pootie Tang!
Dr. Emilio Lizardo
John Bigboote
John Yaya
Otter and Flounder were real Alpha Delta Phis at Dartmouth when Chris Miller (one of the “Animal House” writers) was there (he was Pinto in real life, FYI)
Don’t forget
John Bigboote
John Smallberries
Penny Priddy
Perfect Tommy