apart from the Sonic, Disney, Pixar and KH characters, who had their own list (link: https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601903104843105432/?appid=383980 )
here's the list of fighters from other licenses:

Mario:
- Devil Mario from the “Power Star” web series (a Mario possessed by Boos and usually armed with a katana) : https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601903848320168164/?appid=383980
- Green Thunder from "Mario & Luigi X The Mask" (Luigi wears Loki's mask which gives him cartoon powers) : https://www.deviantart.com/timelordparadox/art/Green-Thunder-Sprite-sheet-1150822604 https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601903207934904138/?appid=383980
- Mr L from "Super Paper Mario"
- SMG4 (the classic with Mario's moustache)
- Princess Daisy
- Elephant Daisy : https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601905642111794255/?appid=383980
- Normal Yoshi

Megaman:
- Dr Wily "Alien" Form (Megaman 2) : https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601903738647484381/?appid=383980
- Bass (Megaman 7) : https://www.spriters-resource.com/snes/megamanbassrockmanforte/sheet/6614/ https://www.spriters-resource.com/snes/megamanbassrockmanforte/sheet/208011/
- Tron Bonne (Megaman Legend) : https://www.spriters-resource.com/fullview/115565/ https://www.spriters-resource.com/playstation_2/nxc/sheet/208714/
https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601903104843121827/?appid=383980

others:
- Spiderman : https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601903104843116416/?appid=383980
- Ratchet & Clank ✅
- Rick Sanchez : https://www.deviantart.com/ducksysys/art/Rick-Sanchez-Sprite-Sheet-938591980 https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/595140423952931086/?appid=383980
- Smurfette : https://www.deviantart.com/naufaldz14/art/Smurfette-Sprite-Sheet-Sonic-Advance-Style-1080696123 https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601905718689348727/?appid=383980
- Rabbid : https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601903513921932449/?appid=383980
- Klonoa : https://drive.google.com/file/d/1fb_8aQt4LrodK5-uCzeCuEUAn3SYoSn4/view?usp=drive_link https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601903412169200674/?appid=383980
- Inspector Carmelita Fox (Sly Cooper): https://steamhost.cn/steamcommunity_com/workshop/discussions/18446744073709551615/601905584327922099/?appid=383980

and please, let someone who knows how to code make these requests for me, it would help me a lot, so please please please please come forward!