Hmm...
SOR2 Signals: Renamed D. Signal to O. Signal (Olive), Renamed B. Signal to C. Signal (Cyan), and N. Signal to B.Signal (Black). Added M. Signal (Magenta), Beacon, and Witherfang.
Goldies: Added Ketchum (Pokémon), Mitch, Locke, Plaza, and Ghetto. Ranaldo is named after Lee Ranaldo of Sonic Youth.
SOR2 Electras: Added Kim, after Kim Gordon of Sonic Youth.
Bartenders: Meet Girardot and Demuth (SoulCalibur II), Quentin (after Quentin Tarantino; I named one of the Boomerang Guys Tarantino, and if I ever get to do a mod I'll have them as paired bosses.

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Jack the Knife Nut: Added Pocky and Soba, keeping with the whole Japanese food thing. Also have Slicey and Zsasz.
SOR2 Jets: Added Ramjet, Doppler, and Acelight.
Kickboxers: Added Osprey, Mallard, and Cormorant. In a dummy level I made in SORMaker, I have one with 5 health named Pigeon.
The Bear Family: Added Asshole (couldn't resist), Junkface, Brother B(ear), Grandpa B. (that stage in Syndicate Story was priceless!), Kuma-Sama, Ursa Major, Mr. Noodle, and last but not least, Wanna B.
Abadede: El Gigante and U. Warrior were too easy. Big Boss, Solidus, Ocelot, and Snake are joining the party as well.
Ninjos: Upon hearing the name Ninjo, I thought other misspelled things would be good as well, so I replaced in the names Samurye, Shanobi, Moosashi. I also have Shiruba, after a character in a story my boyfriend is working on.
X robots: Added Rusty and Big Guy, Yo Momma, Metal, and R. Black. HEHEHEHEHEHEHEH!
Boomerang Guys: Added Antomega (vocalist of The Juliet Massacre, an Italian deathcore band), Sigfridsson (after David Sigfridsson of Hanni Kohl), Barnelli, Tarantino, and Schtauffen.
Hitmen: Have a Men In Black trio (J, K, and Zed), RUSH (Lee, Peart, and Lifeson), and the houses of Dune (Atreides, Harkonnen, Corrino)
Dr. Zero: Added Dr. Feelgood and Prof. Raine (after an old friend)
SOR3 Martial Arts Dudes: Added Touri (another one of my BF's characters), Lion, and Amphithere.
Galvices: Tried to aim for "classy" names with these guys. Have Isaac, Landon, Michel, Desmond, and Bergamot. Also have Thurston, after Thurston Moore of Sonic Youth.
Truckers: Added Big Daddy, Ace, Tolstoy, and Fast Eddie (admin of TVTropes).
SOR3 Donovans: Added Chris, Wesker, and Josh.
Mr. X: added The Boss, C. Norris, and Bomberlink.
SOR3 Electras: Added Jill, Sheva, and Excella, along with Hildegard and Siegrune (SoulCalibur IV)
Rockets: Added Booster, Scramjet, Fuel, and Warp.
Kangaroos and Clowns: Crispin has control of Roger and Sheila, Dauria has control of Magi and Alun, Joker presides over Ace and Spade, and Mappy gets Mewkie and Nyanko.
Zamzas: Added Talon, Kemono, and Rukodai (The fictional region where my boyfriend's stories are to take place)
Ash Clones: Added Fay, Marshall, Funktastic, Hotdog (whom I inserted into Prototype as a joke character, because his red and yellow palette reminded me of ketchup and mustard) and Major Paine (an all black Ash who's a miniboss in my test level.)
Neo.X: Added Robot Y and Mecha Z, along with The Tuss.
Yamatoo: Added Yuzo, Tagawa, Hayashi, and Ikodo.
Cody Clones: A bunch of silly names, like Moonstrife and Ravenscroft.
Onihime and Yasha: Swapped names so they'd be Mona and Lisa in-game.
Hockey Mask Killers: Mr. J, Niko, and Xanatos want to kill you.
Soozies: Added more gem-themed names like Saphira, Emerl, Citrine, and Tourmaline. Also added Olette, Ariel, Lisse and Canelle, after girls I've known.
SOR3 Signals: Added Holland (to complete Jools Holland), 3-Dog (Fallout 3), Acacia, and Strife.
Seekers: are The Bomb! They're also Annoying, and that new 817CH model is a real pain. Thankfully it doesn't take much to send them to the Scrapheap.