I hope OCs are ok. 

Name Zethir (he didn't bother telling them his last name)
age he stopped keeping track after 200
look [img=http://th04.deviantart.net/fs71/PRE/i/2013/028/c/b/emilion_trioch__grand_master_of_the_grey_knights_by_terraluna5-d5t34xa.jpg]
Student or teacher(If teacher list what class) Combat Teacher
race Space Marine
from Warhammer 40k
skills Incredibly talented with most weapons(ranged and melee), and knows how to fight most manner of enemies, especially daemons (Especially since he's a Grand Master and Librarian of the Grey Knights.)
powers Because he's a Grey Knight Librarian, he's an extremely powerful psyker, even more powerful than most other librarians. (and librarians are already extremely powerful psykers)
weapons Daemonhammer, Nemesis Force Sword, Nemesis Force Halberd, storm bolter, Nemesis Force Falchion
other