Incidental 24D is an incidental character who appears in the episodes "MuscleBob BuffPants" and "The Check-Up," and the book Comic Number 4. He is an alternate model of Incidental 24 and his incidental type is currently unknown.
Appearance[]

Incidental 24: the incidental character who Incidental 24D is an alternate model of.
He is a big tan brown muscular fish who wears a black speedo that has white stripes on the sides. He is always seen weightlifting on a black weightlifting bed, and he also holds a big black wide dumbbell. His full face has never been seen.
Role in series[]
Incidentals 24A-24Q's models shown to be absent from the original main model sheet (Note: there is no label that claims they are "non-existent" due to the fact that they are alternate models of Incidental 24).
Incidental 24D has appeared in only two episodes in the series so far. He has been portrayed as a bodybuilder at Mussel Beach in both of his appearances. He is absent from the series for 18 years after his debut in "MuscleBob BuffPants," but he made a comeback in the season 11 episode, "The Check-Up."
Roles[]
"MuscleBob BuffPants"[]
He is seen weightlifting at Mussel Beach right before SpongeBob arrives to impress everyone with his Anchor Arms.
"The Check-Up"[]
While SpongeBob and Squidward try to put Mr. Krabs in shape, he is seen in the background, behind Larry.
Roles in books[]
Comic Number 4[]
He makes his exact same roles from "MuscleBob BuffPants" in the "MuscleBob BuffPants" portion of the book.