Leech

Leech is a fictional character appearing in Marvel Comics, first introduced in Uncanny X-Men. He is a rare mutant with green skin, typically depicted as a boy around twelve years old. Leech's parents abandoned him after his mutation became apparent, and he was subsequently adopted by the Morlocks and raised by Annalee. Leech possesses the ability to suppress the superpowers of other mutants within a 10-yard radius, temporarily nullifying their abilities. He has worked with the X-Men and been exploited by the Weapon X program. Leech has endured many hardships, including kidnappings and imprisonment, and has been a part of various hero teams. He has a close relationship with Artie Maddicks, often fighting alongside him. In different storylines, Leech's power has been shown to affect other sources of superpowers, such as extraterrestrial or magical origins. Despite facing numerous trials, Leech remains a unique and significant character in the Marvel Universe.