Clayton is a villain from the Kingdom Hearts series, originally from the 1999 Disney animated feature Tarzan. He was the only Disney villain in the first game who could control Heartless without being a part of Maleficent's council of Disney villains.
 Kingdom Hearts
Clayton finds Donald and Goofy in a bamboo thicket after they land in Deep Jungle. Suspicion over Clayton's activity arises when Clayton quips that Donald and Goofy are "not much use for hunting gorillas", when he and Jane Porter have actually gone there for research. He questions Tarzan about the gorillas' nesting grounds, secretly desiring to hunt them down. Eventually Tarzan agrees to take him to the nesting grounds, but on their way there, Clayton attempts to shoot Terk, a young gorilla and Tarzan's friend. He is stopped by Sora, Donald, Goofy and Tarzan, and is forbidden by the furious Jane from approaching the gorillas. His anger and determination to hunt the gorillas lure the Heartless to him, and the darkness in his heart takes him over. He kidnaps Jane and Terk and imprisons them in the jungle.
Clayton continues his rampage by locating the gorillas with the help of the Heartless. Just as he is about to kill them all, Sora, Donald, Goofy, and Tarzan arrive, finding that Clayton has nearly lost his heart. Sora and company battle with him and his Heartless. Although he proves to be proficient at using a shotgun at long range and even close range, swinging it like a club, Clayton and his Heartless are easily defeated. Clayton, outnumbered, summons a Heartless called the Stealth Sneak, mounting it and starting the real battle. When Clayton is thrown from his steed, Sora finally defeats him. Afterward, the Stealth Sneak falls and ultimately crushes Clayton to death; the whereabouts of his body after the battle are unknown, although it may have disappeared with the Heartless.
Clayton's actions do not go unnoticed, however. In Hollow Bastion, Maleficent and her council of villains discuss the presence of the Heartless in Deep Jungle due to Clayton's darkness, and Jafar labels Clayton a "weak-hearted fool".
Clayton appears very tall, standing even larger than Tarzan and comparatively taller than Kerchak. He has thinning hair as well as a pencil thin mustache this is mixed with his dignified English hunter attire; this shows a contrast between his dark and twisted personality for killing and his appearance as an English gentleman.
Clayton has a very two-faced and manipulative demeanor. Oftentimes he is seen being kind and innocent in front of Jane, but when he is alone, states evil plots to kill the gorillas. He is seen to be very determined and will stop at nothing to get what he wants which, in this particular case, is the gorillas. He seems to want to kill them simply for the thrill of the chase.
Clayton wields a shotgun in battle, which he uses to great effect for ranged attacks. He also fights alongside Powerwild Heartless. He later rides atop Stealth Sneak, firing from the safety of its back. Clayton can also heal himself using potions. Clayton can be attacked after the Stealth Sneak is defeated.
In the original Disney movie Tarzan, Clayton is a hunter sent to escort Jane and her father to study the gorillas. Unlike in Kingdom Hearts, where Clayton desired the gorillas as hunting trophies, Clayton is more interested in capturing them and selling them to a London zoo for a huge profit. After tricking Tarzan into showing him where the gorillas are, he has a band of pirates come to the jungle to take the gorillas, but Tarzan ignites a mutiny and thwarts his plans. In the ensuing battle, Clayton kills Kerchak, but after a long battle with Tarzan, he is finally killed when he falls from a tree with a vine around his neck and hanged.