Dave Lizewski is a fictional character from the comic book series Kick-Ass, created by Mark Millar and John Romita Jr.. He is a high school student who becomes a superhero despite having no special powers or training. Inspired by comic books, he adopts the name "Kick-Ass" and begins fighting crime in his city. Throughout the series, Dave faces various challenges, including confrontations with real criminals and other superheroes. His journey explores themes of bravery, the consequences of vigilantism, and the impact of his actions on his personal life and relationships.