"Meltdown is a character in the Japanese manga series ""To Be a Power in the Shadows!"" He is a member of the secret organization known as the ""Organization Without a Cool Acronym"" and serves as one of the four lieutenants under the protagonist, Shadow.

Meltdown's real name is unknown, and he is always seen wearing a gas mask that covers his entire face, concealing his identity. He is known for his explosive personality and erratic behavior, which often leads to destructive outbursts and collateral damage.

Despite his unpredictable nature, Meltdown is a skilled fighter and possesses a powerful ability called ""Meltdown Explosion."" This ability allows him to release a massive burst of explosive energy from his body, capable of destroying anything in its path. However, using this ability takes a toll on Meltdown's body and leaves him weakened and vulnerable afterward.

Meltdown is fiercely loyal to Shadow and will do anything to support him and the Organization's goals. He is often seen working alongside the other lieutenants, Steel, Blaze, and Aqua, to carry out missions and protect the Organization's interests.

Despite his intimidating appearance and explosive powers, Meltdown is often portrayed as a comedic character, with his erratic behavior and strange quirks providing comic relief in many scenes. However, when his loyalty to Shadow is questioned or threatened, he becomes a formidable opponent, willing to use his explosive powers to protect those he cares about.

Overall, Meltdown is a complex and dynamic character, providing both humor and danger to the ""To Be a Power in the Shadows!"" series."