Silver

Silver the Hedgehog is a recurring character from the Sonic the Hedgehog series. He is a fourteen year old hedgehog who comes from at least two-hundred years in the future. He commonly travels through time to assist Sonic and his friends. He has the ability to use psychokinesis which allows him to move objects with the power of his mind, but unlike most hedgehogs from the Sonic the Hedgehog series, he has no super speed. His voice actor used to be Pete Capella but now it is Quinton Flynn.

Super Smash Bros. Brawl
Silver the Hedgehog made a cameo on the Green Hill Zone stage along with Miles "Tails" Prower, and Knuckles the Echidna. He also appears as a trophy and a Sticker in the game.

Super Smash Bros. for Nintendo 3DS/Wii U
In Super Smash Bros. for Nintendo 3DS / Wii U, one of Sonic's alternate colors strongly resembles Silver. He makes an appearance as a collectible trophy as well in the Nintendo 3DS version.

Mario & Sonic at the Olympic Games
He was originally supposed to appear in this game but was scrapped later on. A beta file of Silver was found on the European version and can be playable by hacking.

Mario & Sonic at the Olympic Winter Games
Silver appears in Mario & Sonic at the Olympic Winter Games as a skill type playable character. His signature move for the Wii version is Levitate and Teleport Dash for the DS.

Mario & Sonic at the London 2012 Olympic Games
Silver makes his second playable appearance in the third installment of the Mario & Sonic series, Mario & Sonic at the London 2012 Olympic Games. He is a Skill type character in the Wii version and is part of the Challengers in the 3DS version.

"Mario & Sonic at the Sochi 2014 Olympic Winter Games"
Silver reappears as a playable character in "Mario & Sonic at the Sochi 2014 Olympic Games".

Mario & Sonic at the Olympic Winter Games
''Silver the Hedgehog is a new competitor for Team Sonic. Coming from the distant future with telekinetic abilities, Silver's signature moves are the Levitate ability on the Wii and DS and Teleport Dash ability on the DS. Expect the unexpected when this time-travelling hedgehog takes on the Olympic Winter Games.''

Official profile
Coming from the distant future with telekinetic abilities, expect the unexpected from Silver when this time-travelling hedgehog takes on the London Olympic Games!