James Howlett, also known as Wolverine and Logan, is a mutant. Wolverine was the second known mutant born. He has a number of animalistic mutations. These include three retractable razor sharp claws on each hand, and heightened senses, which allow him to track people through scent and sound. He also has superhuman strength. Additionally, Wolverine possesses a healing ability which allows him to rapidly heal and recover from almost any injury in astonishingly short times. Adamantium has been surgically bonded to his entire skeleton, including his claws, making him nearly indestructible. Wolverine is a brutal and sometimes feral hand-to-hand combatant often having berserk rages, he also has experience fighting in multiple wars and cage-fights.