Kahill is a character from Final Destination 3. He appeared during Kevin Fischer corners Julie in the McKinley Tricentennial Celebration to warn about Death's plan.
Final Destination 3
In the McKinley Tricentennial Celebration, while Kevin Fischer looked for Wendy's sister Julie, he corners her along with Perry and Amber to warned her that she's in danger and telling her about death's plan. But she doesn't believe and runs away. This is when Kahill with his friend Payton steps up and confronts Kevin. but Kevin doesn't want to fight and continues searching for Julie.