TV-Series
Description
Beast Leo is a duelist who first appears in the Duel Masters Versus Revolution Final season, having previously partnered with his creature companion, Damama, during the events of Duel Masters Versus Revolution. Leo spent time in America with Damama before returning to Japan, where he continues to be a prominent figure in the dueling scene. He is characterized by a confident and popular demeanor, as evidenced by his significant number of female fans who actively pursue him at school. Despite this attention, Leo is a serious and protective individual, especially when it comes to his friends and allies. His primary motivation is to protect his important comrades, driving him to confront powerful enemies directly, even when the odds are against him. He values loyalty deeply, a trait reflected in the strong bond he shares with his creature partner.

In the story, Leo plays a crucial role as a determined fighter against the antagonistic group known as the Rare Killers. His determination leads him to infiltrate the Rare Killers' hideout with the goal of defeating their leader, Basara. This confrontation is a major event in his character arc, where he challenges Basara to a duel. Although he fights fiercely to protect his friends, Leo loses this critical battle. The defeat is severe, as Basara wields the power of the True Forbidden, and Leo finds himself in a perilous situation where a dark creature spirit attempts to eliminate him after his loss, only for the protagonist, Katta, to intervene in time. This event highlights the high stakes and dangers present in his world.

Leo's most significant relationship is with his creature partner, Damama. Unlike many other creature spirits, Damama rarely speaks in complete sentences, appearing somewhat childish and loyal, acting as Leo's companion and even his bodyguard by enlarging himself to scare away unwanted attention. Their partnership began when Damama emerged from inside Leo's deck, and they have supported each other ever since. Leo is also a respected ally to the main protagonist, Katta, and his team. His determination to face Basara stems from a desire to protect these very friends. Following his defeat by Basara, Leo continues to develop as a duelist. He later engages in a battle against the mysterious Number 2, where he utilizes a more advanced form of his partner, Mia Damama, Moja, in an attempt to overcome his adversaries.

As a duelist, Beast Leo possesses notable abilities and commands powerful cards. He is known to wield the Forbidden Legend Card, a type of immensely strong and dangerous card that plays a significant role in the series' conflict. His strategies include powerful techniques such as the "Zero Charge Kill Impact," demonstrating his aggressive and high-impact dueling style. In his later battles, he is capable of performing a Revolution Change to summon his creature in its advanced form, Mia Damama, Moja, which is part of his broader strategy to counter the powerful "Forbidden" cards used by his enemies.