KaJO Baldisimo is a Filipino comic book artist best known for illustrating the horror/crime comic series Trese, co-creating it with writer Budjette Tan. He is also the penciller of the forty-first issue of the Star Wars: Legacy comic series, Legacy 41: Rogue's End. Trese won the Philippine National Book Award for Best Graphic Literature of the Year in 2009, 2011, and 2012.