User blog comment:Death Goddess Raiden/*bows and falls out the window*/@comment-70.45.207.8-20160816020338

How about this

Saber - Saito Hajime

Lancer - Longinus

Archer - Liang Hongyu

Rider - Elijah

Caster - Harry Houdini

Berserker - Roland

Assassin - Nohime