Incidental 150 is a light olive green fish child that makes some cameos. She goes to the Bikini Bottom School.
She is a light olive green fish, with light orange and purple-striped fins, three dark olive-green spots on her forehead, with a light orange mouth, and wears a lavender-colored dress.
She makes her debut in "Christmas Who" where Squidward gives her a wrench for Christmas. She makes multiple cameos in the episode "Krabby Land." She also appears in "The Two Faces of Squidward" she is seen first in line chasing handsome Squidward. She was also seen eating an ice cream at Ice Cream in "Patrick's Coupon." In "Escape from Beneath Glove World" she is one of the many kids imprisoned in the Glove World! jail.