Famous Battle: Namor vs Tigershark

Real Name: Todd Arliss
Group: Masters of Evil, Defenders of the Deep
First Appearance: Sub-Mariner #5
(June, 1968)

"So you're back, you slanty-browed coward! Just give Tiger Shark a crack at you... and you'll wish you'd stayed away... forever!"
—Tiger Shark

Todd Arliss was swimmer who took part in the Olympic Games. He damaged his spinal cord when he rescued a drowning man. Desperate to regain his swimming ability, Arliss willingly participated in an experiment by the scientist Dr. Lemuel Dorcas. Dr. Dorcas blended Arliss' DNA with that of Namor the Sub-Mariner and a tiger shark. Although successful, the process changed Arliss both physically and mentally: he now had razor-sharp teeth and gills and had become savage and predatory. Becoming a super-villain and calling himself Tiger Shark, he found and threatened Lady Dorma and was then crowned Lord of Atlantis. The Sub-Mariner, however, soon deposed Tiger Shark and the two became implacable foes. Namor and Dorma travelled to the surface to tell Tiger Shark's sister Diane Newell that he was still alive.

Namor sought Lord Seth's help to find the Herb of Healing to help restore Tiger Shark to human form, but Namor failed his quest. Tiger Shark was next seen near the Sargasso Sea. Namor confronted Tiger Shark who had allied himself with a group of Immortals bent on ruling the world. However, when the Immortals left the mists of the Sargasso Sea, they began to age instantly and die. Tiger Shark attempted to unleash a deadly virus, but Namor and the sacrifice of Dr. Newell ensure that it caused no harm. Tiger Shark escaped, but Namor vowed to kill him when they next meet.