The character Squidward Tentacles from the popular animated television series "SpongeBob SquarePants" is commonly referred to as an octopus, despite his name suggesting otherwise. Created by marine biologist and animator Stephen Hillenburg, Squidward is an irritable, moody neighbor and coworker of SpongeBob SquarePants and Patrick Star. His character is portrayed as somewhat pretentious and beleaguered by the antics of his more exuberant neighbors.
Although the name "Squidward" suggests he is a squid, the character design, which includes a bulbous head and only six appendages, aligns more closely with an artistic version of an octopus. Traditional octopuses have eight limbs, but simplifications in animated character designs are common for ease of animation and cost reduction.
Hillenburg, with his background in marine science, might have used “Squidward” as a playful nod to cephalopods in general, rather than adhering strictly to biological accuracy. Squidward's demeanor and characteristics also play into his design—his sighs and tentacle movements contribute to his overall languid, unenthusiastic personality, which suits the character more than the specific details of species accuracy.
Furthermore, Squidward’s role in the series taps into a common theme found in many cartoons—the grumpy, disgruntled character who provides a comedic counterpoint to the more cheerful protagonists. His artistic endeavors, love for solitude, and classical tastes offer a lot of comedic material and cultural references, making Squidward a beloved character despite his grouchy demeanor. This blend of artistic license and character development shows how cartoons often prioritize storytelling and humor over strict adherence to biological science.