Brocken Jr (Kinnikuman) - Brocken Junior is a son of nazi chojin by the name of Brocken Senior. Brocken was killed during a Chojin Olympics by Ramenman, snapped in half like a glow stick (or turned to noodles and eaten by him in anime version), which made Brocken junior angry and wanting to take revenge on Ramenman for killing his father. The rivalry didn't last long, cause after some time, Ramenman becomes a teacher of Brocken Jr, helping him become a better man than his father. 

One of Skyla's first friends who was a nazi at some point, i forgot his name (HellOnEarth) - In his series about Skyla, a girl who is able to befriend even the worst of people and make them better, Skyla finds a person on the internet. That person turned out to be a.. very right leaning nazi. Skyla wants to hang out on the beach, and he decides to go with her, eventually becoming friends with Skyla. After some time passes in the story, man changes his ways, removes his tattoos, grows hair and finds a job at a local store. 

Stroheim (JJBA) - Stroheim is.. well, he was a nazi till the day he died in Stalingrad. Once a man who was a minor villain in Battle Tendency, Stroheim eventually turns into a supporting character after realizing that him and JoJo have a common threat, and so they join forces to defeat the pillarmen, using Hamon and German technology to defeat them. He fought bravely in Stalingrad, where he died, unknown which side he fought for at the end. Despite him still being a Nazi, it shows that he still has some kind of human emotion and ability to help his opponent fight a common enemy.

Nazis who redeem themselves and change their ways, becoming better people.