He is serious, stern, and he insures that students at Thors receive a valuable education. Neithardt is a man who takes military conduct seriously.

Neithardt is also frequently seen in his purple and gold officer's Imperial Army of Erebonia uniform as well. He wears a matching purple cape with a gold trim. As an instructor, Neithardt wears a purple double breasted suit with white trousers and tall brown boots. Neithardt is a tall well-built man with spiky lush blond hair and pale blue eyes.