Roland Deschain of Gilead http://en.wikipedia.org/wiki/Roland_Deschain
Merlin the black archer
Batroc the leaper
Kraven the hunter
Ra's Al Ghul
You have Miyamoto Usagi (Usagi Yojimbo) up there twice. Miyamoto is the name of the main character, the rabbit, while Usagi Yojimbo is the title of the comic.
Swamp Thing-Super Strength, regeneration,Control over plantlife and other natural elements,Immunity to all toxins, bacteria and viruses,Toxikinesis.
The Tick-Nigh-invulnerability, superhuman strength, "drama power," oxygen independency
Flash Gordon-ace space fighter pilot, legendary space hero, all around badass
The Phantom-Is at peak physical and mental fitness, has quick reflexes, a tight costume for maneuverability, and is a sharpshooter.
Mandrake the Magician-Mastery of magic and extended life span, Genius level intellect
He-Man-superhuman strength, speed, agility, swordsmanship, able to communicate and sense the presence of the Sorceress by telepathy.
I'm liking our line-up in this game - should make for some interesting (& close) matches!