2boys, air_bubble, androgynous, artist_name, back-to-back, blue_background, blue_hair, blue_skin, blue_theme, border, brothers, brown_eyes, bubble, colored_skin, completely_nude, eel_boy, eyelashes, fingernails, fins, floyd_leech, full_body, gills, hands_up, head_fins, heterochromia, jade_leech, long_fingernails, looking_at_viewer, male_focus, merman, monster_boy, multicolored_hair, multiple_boys, navel, nude, oimo_842, open_mouth, outside_border, sharp_teeth, short_hair, siblings, streaked_hair, teeth, twins, twisted_wonderland, twitter_username, underwater, white_border, yellow_eyes