For continuity sake...
No More Heroes = Travis (far more so in Desperate Struggle)
Ninja Gaiden = Hayabusa (This is a known fact based what I said about DOA earlier)
Original Megaman = Megaman, Dr. Cossack, Dr. Light, Dr. Wily, Protoman, Bass, Bubble Man, Air Man, Fire Man, Grenade Man, Tengu Man, Skull Man, Shadow Man, Aqua Woman, Search Man, Turbo Man, Sword Man, Pharoah Man, Astro Man, Frost Man, Rush, Treble
Megaman Legends = ... Pretty much the cast, except for Sera and the Birdbots
Megaman Zero = Zero, X, Copy-X (in the first game only), Omega, Harpiua, Ciel, Phantom
Rayman = Rayman, Mr. Dark, Mosquito, Mr. Stone, Mr. Sax, Betilla, Razorbeard, Robot-Pirates (ignoring the sissified voice-acting from one of them in Rayman Revolution), Robo-Ninjas, Ly, Sssam
Battle Arena Toshinden (do people remember this...?) = Eiji, Duke, Gaia, Rundo, Mondo, Ellis, Karen, Sofia
Bloody Roar (Yeah.... that series) = Long the Tiger, Stun the Insect, Shina the Leopard, Yugo the Wolf, Alice the Rabbit
Ninja Gaiden = Hayabusa (This is a known fact based what I said about DOA earlier)
Original Megaman = Megaman, Dr. Cossack, Dr. Light, Dr. Wily, Protoman, Bass, Bubble Man, Air Man, Fire Man, Grenade Man, Tengu Man, Skull Man, Shadow Man, Aqua Woman, Search Man, Turbo Man, Sword Man, Pharoah Man, Astro Man, Frost Man, Rush, Treble
Megaman Legends = ... Pretty much the cast, except for Sera and the Birdbots
Megaman Zero = Zero, X, Copy-X (in the first game only), Omega, Harpiua, Ciel, Phantom
Rayman = Rayman, Mr. Dark, Mosquito, Mr. Stone, Mr. Sax, Betilla, Razorbeard, Robot-Pirates (ignoring the sissified voice-acting from one of them in Rayman Revolution), Robo-Ninjas, Ly, Sssam
Battle Arena Toshinden (do people remember this...?) = Eiji, Duke, Gaia, Rundo, Mondo, Ellis, Karen, Sofia
Bloody Roar (Yeah.... that series) = Long the Tiger, Stun the Insect, Shina the Leopard, Yugo the Wolf, Alice the Rabbit