Fix-It Felix jr. in Super Mario Bros. It's a skin for Mario, next to a skin of levels set in Wreck-It Ralph series (example: the goombas are Sour Bill and sometimes Gene, the daytime levels are Sugar Rush, the subways are the Internet, etc.)
Extra (Bowser is Turbowser):    • Pac-Man, Sonic & Mario in Vanellope S...  

Download links (the skins are optimally available in version 1.7):
Drive: https://drive.google.com/file/d/1yHL3...
Player Skin: https://gamebanana.com/skins/161303
World Skin: https://gamebanana.com/skins/161314