Sonic Universe
Take place after Sonic: Lost World

TMNT Universe
Taken place after Season 3 Episode 22 The Creeping Doom

Main Antagonist
Oroku Saki/Shredder
The Foot Clan

Character Introduce
Cinos The Werehog
Kevin
Malware (pretend to be E-Cryptid 0 Viral)

Plot
Sonic and new team called The Freedom Fighters (which include Team Sonic/Heroes, Team Rose, Team Dark, Team Chaotix, Team Babylon, and Silver, Marine, & Blaze) all face against Eggman's Egg Fleet along with Eggman Nega with a new weapons called the Emerald Cannon but when Sonic attack the malfunction machine, it made a special Chao Control that everyone were a different dimension. As they were all split up, they finally got back in the city known as New York. They meet new friends like The Turtles, April, Casey, Splinter, and other of their ally while Eggman have team up the Foot led by Shredder, his second-in-command Tiger Claw, his old friend Rocksteady, his pupil Rahzar, the thief Bebop, the street urchin Fishface, the crazy scientist Stockman-fly, and Splinter's daughter Karai. And also introduced my OC character Cinos The Werehog. As they are in New York, they fight for the Chaos Emeralds to go home to their Earth against other non-Foot related villain like Ho Chen, Newtralizer, Rat King, Speed Demon, Chimera and others. They just hope that they go home and learn that their other dimensions.