Sonic has a birthday but as the Sonic games never move forward in time he probably will never celebrate one.
If you are talking about dimensions there are so many different kinds of Sonics. In Mobius there is Prime Sonic. In Sonic X there is the Sonic X Sonic. If you read the Super Sonic Specials #10 you will see that Under Sonic and Prime Sonic fight Evil Sonic. Prime Sonic travels through dimensions by Zonic (Zone cop).
Not on it's own, no. You can lock Sonic 3 onto Sonic and Knuckles and play as Knuckles through both games, though.
Sonic rush is were you pick either Blaze or Sonic and play! You make your way through many different levels, completing them at top speed defeating also Dr.Egg Man phew poor Sonic he must be well tired
Sonic the Hedgehog Sonic the Hedgehog 2 Sonic the Hedgehog 3 Sonic & Knuckles Sonic the Hedgehog Spinball Dr. Robotnik's Mean Bean Machine Sonic 3D Blast Sonic CD Sonic Eraser SegaSonic Cosmo Fighter (Japan only) Segasonic the Hedgehog (Japan only) Sonic Chaos/Sonic & Tails (Japan only) Sonic Triple Trouble/Sonic & Tails 2 (Japan only) Sonic Drift Sonic Drift 2 Sonic Blast Tails' Skypatrol Tails Adventure Knuckles' Chaotix Sonic Jam Sonic R Sonic Adventure Sonic the Hedgehog Pocket Adventure Sonic Shuffle Sonic Adventure 2 Sonic Mega Collection Sonic Advance Sonic Advance 2 Sonic Advance 3 Sonic Heroes Shadow the Hedgehog Sonic Riders Sonic Riders: Zero Gravity Sonic Free Riders Sonic Rush Sonic the Hedgehog (Xbox 360/PS3) Sonic Rivals Sonic and the Secret Rings Mario & Sonic at the Olympic Games Mario & Sonic at the Olympic Winter Games Sonic Unleashed Sonic Chronicles: The Dark Brotherhood Sonic and the Black Knight Sonic Classic Collection Sonic the Hedgehog 4 Sonic Colors
12: Sonic the Hedgehog Sonic the Hedgehog 2 Sonic Chaos/Sonic & Tails Sonic the Hedgehog Spinball Dr. Robotnik's Mean Bean Machine Sonic Drift Sonic Triple Trouble/Sonic & Tails 2 Sonic Drift 2 Tails Adventure Sonic Labyrinth Tails' Skypatrol Sonic Blast
June 23rd
Like most Sonic characters, Cosmo's birthday is unknown. We do know her age however, and she is 8 years old.
Because it doesn't have there chili dogs named sonic dogNo.
Through his mouth.
Tails's birthday is October 16th, Cream's birthday is June 17th, Sonic's birthday is June 23rd, Shadow's birthday is mysteriously also June 23rd, Knuckle's is on February 2nd, and Amy's is September 23.
You have to get 100% on all the characters stories. (Note: Sonic has to go through ten levels while everyone else has to go through five)
It is highly implied that Elise did indeed love Sonic throughout the storyline of Sonic the Hedgehog. Shown through Sonic's Trial of Love, a cutscene where Amy confronts Elise about her liking someone, and most controversially, a scene which Elise revives Sonic through the use of a kiss, telling Sonic to come back to "us".
If you are talking about dimensions there are so many different kinds of Sonics. In Mobius there is Prime Sonic. In Sonic X there is the Sonic X Sonic. If you read the Super Sonic Specials #10 you will see that Under Sonic and Prime Sonic fight Evil Sonic. Prime Sonic travels through dimensions by Zonic (Zone cop).
Officially, Sonic the Hedgehog is not available for the PSP platform. However, there might be unofficial ways to play Sonic games on a PSP through emulation or homebrew software.
It's Dark Spine Sonic. You have to play through the game and collect the seven world rings.
Not on it's own, no. You can lock Sonic 3 onto Sonic and Knuckles and play as Knuckles through both games, though.
On PC, Sonic the Hedgehog games are available for download at Softonic. iPhone and iPad applications are available through the iTunes app store. Android users can download the Sonic collection through Google Play.