Quagg: [USA] Creed warrior from Dale Keown's part of the original Image Universe/Full Bleed.
Quantum: [USA] Michael Stone, outlaw hero with magnetic powers, from Rob Liefeld's part of the original Image Universe.
Quasar: [USA] Wendell Vaughn, the super-hero with the yellow hard-light constructions from Marvel Universe (616 continiuty).
Querl Dox:
Quigley: [USA] The sailor from Jim Toomey's series Sherman's Lagoon.