Vonnie is a tan-skinned young adult with a lean, slim figure, with short brown hair cut into a bob. She is always seen wearing a pair of circular glasses, a yellow bandana atop her head, a white long-sleeved shirt tied in the front to expose her belly and a long, green sarong themed skirt with a geometric white grid pattern tied in the back.

She's a pretty laidback and very responsible person. Despite this, she isn't serious to the point of being strict, making bets, and even rating cocktails.