1) Erk - http://steamcommunity.com/id/erkdoken
2) 19
3) Demoman
4) Anyone :)
5) Currently lobby a decent amount - we have a team put together (for the most part) and play together most every day. Working on joining a league soon-ish.
6) General tactics for controlling mid, becoming better with stickies (mostly for DM-ing scouts), and getting better at DM overall when outnumbered.
7) Available every day. I work fulltime (Pacific) so I'm available from about 7 PM - midnight PST on weekdays and am extremely flexible on the weekends.
8) Seeking

Thanks a lot, everyone.