I was just going through offensive/funny names and I happened to settle on Healtler. I mean no offense to germans specifically. I love jokes making fun of all groups of people.

names that didn't make the cut (either from being taken already or because they weren't quite as funny to me)
Priestitute
Holycarp
Bandagespec
Deathlol
Ambulance
Medkit
Judas
Powerwordhug
PhoenixDown
DoogieHowser
Pedopriest

And just to make it that much better, he is undead.
A group always testing on live subjects, loyal to the grave, a bit dark and gloomy, fighting an overwhelming force to the north. Hell even gutterspeak (their native language) is based originally off German.
And if that wasn't good enough
Nazi Zombies