Sonic the Hedgehog turns 20!

(CBS) - Twenty years ago today, the world was introduced to a blue hedgehog with a need for speed. When Sonic the Hedgehog was released in 1991, he gave Mario and Luigi good reason to worry.

He stole the hearts of gamers with a side-scrolling platform game that was an adrenaline rush. A blur of rings, jumps and robots made the game a joy to people of all ages.

In the decades to follow, Sonic has remained one of the most iconic characters in the video game world. From touching tweets to inspiring cakes, here are some birthday wishes from the twitterverse...