No, the positions are handler, midfielder, and long
Double teaming in Ultimate Frisbee is when the handler (person with the disc) is being marked (defended) by two players at once. The rules say only one defender can be within 10 feet of the handler.
Ultimate Frisbee is the correct way to spell it.
Frisbee golf
Ultimate Frisbee is most popular in New Zealand and the United States.
No, you do not have to win by two in Ultimate Frisbee, just first to 13 or whatever you are playing to.
I wouldn't say 'national championship' but the professional sport of frisbee is 'ultimate frisbee'.
Ovbiously
Ultimate Frisbee is the 'football-esque' version of frisbee, but there is also disk golf.
Ultimate Frisbee Ultimate Fighting Championships
It is typically seven versus seven in a typical game of Ultimate Frisbee.
No, no physical contact is allowed in Ultimate Frisbee. That would be considered a foul and the play would reset.