Well, you see; if we assume that Harada killed every character involved in the thread he got mentioned in, the list isn't all that long:
- Rayman
- Gordon Freeman
- Officer Howard
- Jonesy
- Arle Nadja
- Neptune
- Agumon
- Shantae
- Quote
- Doom Slayer
- Lloyd Irving
- Isaac
- Ashley
- Crash
- Steve
- Shovel Knight
- Reimu
- Lara Croft
- Heihachi <- The guy who added Heihachi was the one who fucked it up by @ing Harada.
- Edelgard
- Chibi-Robo
- Untitled Goose
- Sora
Of course, those were the characters who made it into the image they were all collaborating on. Then some Crash fan account comes in and tries to rope in all of these characters:
- Dixie Kong
- Knuckles
- Frisk
- Spyro
- The Prince of All Cosmos (why)
- Geno
- Dante
- Phoenix Wright
- Leon S. Kennedy
- Amaterasu
- Travis
- Ragna
- Cooking Mama
- Waluigi
- Bandana Waddle Dee
- Ryu Hayabusa
- Cuphead
So if you think about it, was any character of value actually lost?