Fix-It Felix Jr.

Fix-It Felix, Jr. is the tritagonist in the 2012 Disney animated film Wreck-It Ralph. He is voiced by Jack McBrayer.

Official Disney Bio
"As the titular star of Fix-It Felix, Jr., Niceland's hammer-wielding maintenance man is a beloved local hero. This gold-medal-winning good guy is idolized by the Nicelanders and envied by Ralph. When he's not busy fixin' all of Ralph's wreckin', Felix spends his days helping everyone out. Hard-wired for niceness, anything other than being a Good Guy just doesn't compute."

Info
Fix-It Felix is the hero of the arcade game Fix-It Felix Jr., where he saves an apartment building, and its inhabitants, from being destroyed by a hulking man named Wreck-It Ralph. However, Ralph begins to want more in life and is tired of being treated like a bad-guy. To show he can be good, Ralph abandons his game to earn a the Medal of Heroes from the game Hero's Duty. Ralph's absence makes players believe the game is broken, which can lead to the game getting unplugged. To save his game, Felix journeys out to find Ralph. During the adventure, Felix meets, and falls in love with, Sergeant Calhoun, from the game 'Hero's Duty''. ''

Trivia

 * During the film's earliest development, Felix was cast as the main character, whilst Ralph had the role of a supporting character. However, writer Phil Johnston, felt that the story of Ralph becoming a bigger person (a hero) would be more compelling.
 * In an early draft of the film, Felix was intended to join Ralph on his journey to become a hero. However, the filmmakers felt that Felix's inclusion would distract the central heart of the story: the relationship between Ralph and Vanellope.
 * In the video game, he says he is lactose intolerant, like Candace Flynn and Heinz Doofenshmirtz.
 * True to his name, Felix can fix anything with his magical golden hammer, including, apparently, physical injuries. Unfortunately for him, this comes with a catch; anything the hammer touches is instantly restored to pristine condition, and cannot be used to destroy or damage things.