Shout out to @Tarisha086 for the wonderful names, she was so excited to help!

MC: Mallow, Marshmallow, The Harem Queen, Protagonist

Sans: Sansational, Comedy Central, Pun Master, Pun Life, Vertabae, Sansta

Papyrus: PapyTime, Hot Rod, Best Boi, Cinnamon Bunny, The Great Papyrus, Best Guardian

Blue: Baby Blue, BB, Adorablue, Captain, Blueberry, Lewdberry, Lets Taco Bout It, The Magnificent Blue, Blue Job, Cornflower, My Hero Academia

Stretch: Honey Comb, Honey Bee, Smoking Section, Sucker For You,

Red: Cherry Pie, Apple Pie, Big Red, Red Hot, Voice Kink, I Fell For You,

Edge: Edgelord, Hot Topic, CEO, Sugar Daddy, Fuck The Police, Step On Me Plz

Black: M'Lord, Teeny Tyrant, King DOM, Queen, Barbie, Baby Captain, Grape Soda, Piranha, Spank Me Plz, Lord-All-Mighty, Lord Bratberry, Blackberry

Mutt: Puppy Love, Doggy Style, Woof, Bark Bark Bitch, Doggonit, Collar Me, Evil Yip Yip,

Axe: Eat Me Please, Black Hole, Get In The Van, Time To Eat Out, Buffet Destroyer, Shaggy, Hannibal, Forget-Me-Not,

Handel: Hard To Handel, Love Handel, Candy Man, Sinnamon Roll, Scooby, Lector

Dust: Another One Bites The Dust, Creeptastic, Super Psycho Love, Michael Myers, Jason, Norman Bates, Master Bates, Don't Drink The Punch, Murder Hobo

G: Highway Serial Killer, Highway To Hell, Paradise City, Hitch Hiker, On The Road Again, Get Hitched, Highway Man, Midnight Visit

Green: Love Doctor, Doctor Doctor Gimme The News, Dr Frankenstein, Envy. Time For Your Examination, Soul Train, Creator Of Hypochondriacs