Oliver is a male with cream-colored wallphone for a head, which is topped with a red fez. He wears a black undershirt with a red flannel with rolled up sleeves. As shown in credits art, he wears a black belt with black jeans, along with brown dress shoes. Oliver's phone head model is an Eircom Slaney. He has an olive skin tone, and his height is 5'3. He has a tattoo of a cactus on his ankle, confirmed when his model made fanart of him.