For 50 Trivia points, in which Friday the 13th installment does Jason first wear a hockey mask?
For 25 bonus points, what is Jason's last name?
No Google. Good luck!
UPDATE: Friday 10:20am - Vek has won the bonus question. 25 Trivia points for Vek!
UPDATE: Saturday 4:50pm - gizmo_mathboy has won the main question. 50 Trivia points for gizmo_mathboy!