Marulk is a supporting character in the anime series Made in Abyss. Serving as the apprentice of Ozen, one of the legendary White Whistles, Marulk is responsible for household chores and assists in maintaining the Seeker Camp. Although often mistaken for a girl due to his appearance, Marulk is actually a boy. He is polite, diligent, and kind-hearted, often providing support and information to the main characters, Riko and Reg, during their journey into the Abyss.