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. Olivers phone head model is an Eircom Comfort. Oliver is an extroverted character, being generally friendly and confident. He frequently uses 80s-slang and has an outdated way of speaking. Oliver normally struggles with boundaries.