Mugenfan's (infamous) Sonic stuff: https://www.mediafire.com/file/aczhrwanbw0inzc/the_new_sonic_characters.rar/file
Includes Sonic, Tails, Knuckles, Amy, Cream, Shadow, Rouge and Silver.
Mugenfan also made a "Ki.Amy"; Simply just a spriteswap of FelixMario's old Kinoshita SpongeBob: https://www.mediafire.com/file/ij9afmjifaw4uas/Ki.Amy.rar/file