Needlous is a small little larva-like enemy with yellow and dark brown (black in artworks) stripes running along its small, slug-like body. Its body has eight sharp pointy spikes along its back making it somewhat resemble a hedgehog. It has small, beady black eyes. When curled up to a ball, four of its spikes will be present.
In Kirby: Nightmare in Dream Land, Needlous essentially replaces Togezo from Kirby's Adventure. Togezo shared similar properties to Needlous. On a regular basis, they move around slowly, but they will occasionally curl up in a ball and roll vigorously at an amazing speed when approached.
Needlous reappears in Kirby: Canvas Curse, acting the same as before.
Needlous appears in Kirby's Return to Dream Land, where its black stripes are now more of a brown color. Needlous also appears in the New Challenge Stages in Kirby's Dream Collection Special Edition as well. It appears in the Smash Combat Chamber and Magolor Race EX.
Needlous's name is a combination of the words "needle" and "louse."
- Needlous's yellow and black coloring makes it resemble a bee. This fits in with the needle theme, as bees have pointy stingers. However, Needlous was most likely based on the Lophocampa maculata species, commonly known as the Spotted Tussock Moth Caterpillar.
- Togezo and Needlous's tactic of rolling around as a spiky ball later appears as one of Needle Kirby's moves in Kirby's Return to Dream Land.