What if Sonic the Hedgehog was part of the Looney Tunes characters/universe/Looney Tunes Dash!

Looney Tunes Dash! is an app game by Eat Sleep Play and Zynga. It was released on September 11, 2014.

Synopsis
Run, jump, smash and slide into new levels and adventures with Bugs Bunny, Daffy Duck, S, the Road Runner, Sonic the Hedgehog, Tweety Bird and other Looney Tunes favorites! Complete level objectives to unlock new Looney Tunes characters and zones based on iconic Looney Tunes landscapes. Enjoy loads of wild, whacky, and looney ways to run as you discover each character’s Special Ability and Collector’s Card. It’s time to run, doc!

Bugs' levels
The player must accomplish certain goals in order to allow Bugs to return to his rabbit hole and escape from Elmer.
 * Special Ability: Super Stomp, allowing Bugs (using tennis shoes) to stomp so hard, destroying any obstacle in his path and launching Elmer over him so he can slide into him.

Daffy's levels
The player must accomplish certain goals in order to allow Daffy to reach the treasure cave and escape from Sam.
 * Special Ability: Laser Blaster, allowing Daffy to transform into Duck Dodgers and blasting away any obstacle blocking his path.

Sonic's levels

 * Special Ability:

Tweety's levels
The player must accomplish certain goals in order to allow Tweety to return to Granny's house and escape from Sylvester.
 * Special Ability: Cowboy Tweety, allowing Tweety (dressed as a cowboy) to use Sylvester as his horse, destroying any obstacle blocking his path.

Speedy's levels
The player must accomplish certain goals in order to allow Speedy to return to his mouse hole and escape from Nicole.
 * Special Ability: Speedy Sprint, allowing Speedy to go so fast, smashing any obstacle in his path.

Amy's levels

 * Special Ability:

Road Runner's levels
The player must accomplish certain goals in order to allow the Road Runner to reach a tunnel and escape from Wile E., ending up crushed by rocks.
 * Special Ability: Turbo Blast, allowing the Road Runner to go so fast, smashing any obstacle in his path.

Taz's levels
The player must accomplish certain goals in order to allow Taz to trap the Tasmanian She-Devil, who's trying to marry him.
 * Special Ability: Taz Twister, allowing Taz to do his trademark tornado spin, breaking obstacles in his way and sucking collectables towards him.

Buster and Babs' levels

 * Special Ability:

The Warners' levels
The player must accomplish certain goals in order to allow the Warners to escape from Pinky and the Brain's giant robot.
 * Special Ability:

Playable

 * Bugs Bunny
 * Daffy Duck
 * Sonic the Hedgehog
 * Tweety Bird
 * Speedy Gonzales
 * Amy Rose
 * The Road Runner
 * The Tasmanian Devil
 * Buster and Babs Bunny
 * Yakko, Wakko and Dot Warner

Non-playable

 * Porky Pig
 * Petunia Pig
 * Sylvester Junior
 * Granny
 * Foghorn Leghorn
 * Barnyard Dawg
 * Eggbert
 * Pepé Le Pew
 * Sam Sheepdog
 * Beaky Buzzard
 * Hugo the Abominable Snowman
 * Marvin the Martian
 * Instant Martians
 * Martian Bombs
 * Witch Hazel
 * Count Bloodcount

Antagonists

 * Elmer Fudd (in Bugs' levels)
 * Yosemite Sam (in Daffy's levels)
 * Dr. Ivo "Eggman" Robotnik (in Sonic's levels)
 * Sylvester Pussycat (in Tweety's levels)
 * Nicole the Holo-Lynx (in Speedy's levels)
 * Breezie the Hedgehog (in Amy's levels)
 * Wile E. Coyote (in the Road Runner's levels)
 * The Tasmanian She-Devil (in Taz's levels)
 * Elmyra Duff (in Buster and Babs' levels)
 * Pinky and the Brain (in the Warners' levels)