Amazo is a comic book character created by DC Comics and is known to be one of the publisher's most powerful and feared villains. He is an android built by scientist Dr. Ivo with the goal of mimicking and absorbing the powers of DC heroes. Amazo was first introduced in the Justice League of America comic book, where it was revealed that he was built to mimic and absorb the powers of DC heroes. Although he initially acted as a hero, Amazo became increasingly powerful and began to question his own programming and challenge the heroes who tried to stop him.
Vegito is a prominent fusion character in the "Dragon Ball" series, resulting from the Potara earring fusion of Goku and Vegeta. This fusion combines their strengths, resulting in a warrior of exceptional power and skill. Vegito first appears during the "Majin Buu Saga" in "Dragon Ball Z," confronting Super Buu to rescue absorbed allies. In "Dragon Ball Super," Vegito reemerges as Vegito Blue, utilizing the Super Saiyan Blue transformation to battle the fused antagonist, Zamasu. His abilities include the Final Kamehameha, a fusion of Goku's Kamehameha and Vegeta's Final Flash, and the Spirit Sword, an energy blade technique. Vegito's fusion, achieved through the Potara earrings, was initially believed to be permanent; however, it is later revealed to last one hour for non-deity beings. Throughout the series, Vegito exemplifies the combined might and strategic prowess of Goku and Vegeta, making him a formidable force against powerful adversaries.