Red Boy Imp was a zombie in Plants vs. Zombies: Journey to the West and Plants vs. Zombies: All Stars. In Plants vs. Zombies: Journey to the West, he served as the boss in the chapter Outsmart the Fire Child. He could attack the plants by shooting four fireballs at a time, and summoning flames.
He is based off the Red Boy from the novel Journey to the West. Rad Boy Imp's ability was taken from Red Boy's relation to fire.