Funny Valentine is a central antagonist in the manga series "JoJo's Bizarre Adventure: Steel Ball Run" arc. He serves as the 23rd President of the United States and is driven by a patriotic desire to ensure his nation's prosperity. Valentine is characterized by his strategic mind, formidable combat skills, and the use of his Stand, Dirty Deeds Done Dirt Cheap (D4C), which grants him the ability to travel between parallel dimensions. His complex moral compass and charismatic leadership make him a compelling and multifaceted villain in the series.