Charlie-Charlie came from the U.S. army to support Cammy with his cool judgement. He is from the Street Fighter Alpha series.
King Arthur-Arthur is a veteran mercenary. Due to his massive firepower, he is considered a one-man army. His gunlance "Excalibur" is extremely powerful. Arthur accompanies Simone and acts as her guardian. Arthur is from the Ghosts and Goblins series.
Cammy White-Cammy, who possesses deadly fighting skills, is a soldier from a notorious crime organization. She acts as a leader in most operations. Though relatively weak in power, she is extremely fast and agile. She is from the Super Street Fighter II series.
Baby Bonnie Hood-B.B. Hood is a young dark hunter. Though she is human, she has the same dark heart as darkstalkers. B.B. Hood is from the Darkstalkers series.
Mega Man-Mega Man is a humanoid boy developed by Dr. Light. Though only a robot, Mega Man fights evil to make the world a more harmonious place for humans and machines alike. He is the hero of the Mega Man series.