Gareth (Adventure Time)

When Gareth first appears he quickly shrugs off X and Zero. Realizing that they may possess some level of power Gareth decides to test their powers. He forces X and Zero to battle Laguz Island's "guardians". Iris then discovers that Gareth is erasing various Reploid's DNA in order to create items to make himself stronger. Later in the game Gareth says that he was wrong in letting X and Zero live, as their powers are quickly overwhelming the guardians. Although he suggests destroying them immediately, Berkana suggests studying the two Hunters would prove more useful.

Once all the guardians are defeated Gareth sends the Maverick Hunters the coordinates to his location in the "Reploid Research Laboratory" in Laguz Island. Eager to put an end to this battle both hunters race to the lab. X and Zero reach Gareth and Berkana at last deep in the lab. Gareth reveals that the "games" were Berkana's idea. He also tells Zero that the Reploids whom he killed should be honored to have "been chosen as experimental samples", angering Zero. Berkana seems to be very interested in X, while Gareth wants to test his skills against Zero. The two Hunters split up to battle the two Mavericks. After an intense battle, Zero defeats Gareth, putting an end to his murderous ways.