SpongeBob is a porous yellow sponge with large blue eyes, a mouth with prominent front teeth, dimples,freckles and in some cases he is mentioned and seen with hair (Also yellow). He resembles a kitchen sponge more than a sea sponge, as when the show was only a rough idea, SpongeBob looked funnier as an ordinary kitchen sponge. SpongeBob can morph into other shapes at will, and can grow back pieces that fall off of him. His limbs can become variable in length and shape at will and are retractable as well as detachable.
SpongeBob typically wears a white collared business shirt with a red tie and brown pants fixed with a black belt, although he has been seen running in the nude or in his underwear. All these clothes are cuboid in shape, as per his surname. As a part of the attire, his shoes are shiny black, with an almost green bathrobe, but mostly goes to sleep with his underwear, socks and shoes.
