If you mean the voice actors, SEGA possibly changed them due to the bad reception from fans they were receiving, but the real motive hasn't been revealed.
The cast of Sonic CD - 1993 includes: Keiko Utoku as Sonic the Hedgehog
A lot of people grew up with Sonic The Hedgehog and for them its a matter of nostalgia. But some simply prefer the type of gameplay the Sonic series offers, although it is different from what it used to be. It's really just a matter of preference.
Hmm. Your question isn't quite clear, but I think I understand. Do you mean to ask who developed and created Sonic the Hedgehog and his games? If so, three people by the name of 'Sonic Team' (Yuji Naka, Naoto Oshima, and Hirokazu Yasuhara.) Over time, Sonic team dwindled off to other companies and businesses, and is now run by a new cast of developers.
He voiced him because he works for 4Kids, the company which dubbed Sonic X. When Deem Bristow died, the cast of Sonic X took over, much to the disappointment of fans. Since Griffith voiced Sonic in the anime, he now voices him in the games.
The cast of Sonic Rivals 2 - 2007 includes: Pete Capella as Silver the Hedgehog Caren Lyn Tackett as Rouge the Bat David Wills as Espio the Chameleon
The cast of Sonic CD - 1993 includes: Keiko Utoku as Sonic the Hedgehog
The cast of SegaSonic the Hedgehog - 1993 includes: Hinako Kanamaru as Ray the Flying Squirrel Takeshi Kusao as Sonic the Hedgehog
The cast of Sonic the Hedgehog - 1996 includes: Chafurin as Old Man Owl Sascha Biesi as Sara Gary Dehan as Metal Sonic Yuzuru Fujimoto as President Mika Kanai as Sara Masami Kikuchi as Sonic the Hedgehog Yasunori Matsumoto as Knuckles the Echidna Junpei Takiguchi as Dr. Eggman Bill Wise as Knuckles the Echidna
A lot of people grew up with Sonic The Hedgehog and for them its a matter of nostalgia. But some simply prefer the type of gameplay the Sonic series offers, although it is different from what it used to be. It's really just a matter of preference.
Hmm. Your question isn't quite clear, but I think I understand. Do you mean to ask who developed and created Sonic the Hedgehog and his games? If so, three people by the name of 'Sonic Team' (Yuji Naka, Naoto Oshima, and Hirokazu Yasuhara.) Over time, Sonic team dwindled off to other companies and businesses, and is now run by a new cast of developers.
No way to know until a Silver The Hedgehog game is announced (and that's assuming that there will be a Silver The Hedgehog game). Unless, of course, you get a job with SEGA or Sonic Team and work on it.
The cast of Sonic Boom - 2014 includes: Roger Craig Smith as Sonic the Hedgehog Cindy Robinson as Amy Rose Kirk Thornton as Orbot Travis Willingham as Knuckles the Echidna
Sonic the Hedgehog is a super cool, super fast blue hedgehog that can move faster than the speed of sound because of his shoes. He's 15 years old. There are many other characters from his title including, Dr. Robotnick, Tails, Knuckles, Shadow, Rouge, Amy, Jet, and a wide cast of characters! He began from the Sonic the Hedgehog game, first introduced in 1991. He Can Become Super Sonic And Many Other Formes By Harnessing The Power Of Certain Items. One Used Most Commonly Is The Chaos Emeralds.
He voiced him because he works for 4Kids, the company which dubbed Sonic X. When Deem Bristow died, the cast of Sonic X took over, much to the disappointment of fans. Since Griffith voiced Sonic in the anime, he now voices him in the games.
The cast of Sonic Rivals - 2006 includes: Pete Capella as Silver the Hedgehog Caren Lyn Tackett as Rouge the Bat Lisa Ortiz as Amy Rose
The cast of Sonic Christmas Blast - 1996 includes: Garry Chalk as Grounder Long John Baldry as Dr. Robotnik Philip Maurice Hayes as Scratch Jaleel White as Sonic the Hedgehog
The cast of Sonic Rivals 2 - 2007 includes: Pete Capella as Silver the Hedgehog Caren Lyn Tackett as Rouge the Bat David Wills as Espio the Chameleon