The animal students consist of:
- A bunny, wearing a blue dress and hat, with a yellow ribbon.
- A piglet, wearing a green checkered hat and brown trousers.
- A French Bulldog, wearing a navy-and-white sailor suit, and navy hat.
- A kitten, wearing a yellow dress and cap, with ruffled bloomers.
- A fox, wearing a striped brown suit and hat, with a greenish-brown bowtie.
- Two sheep--the older one in a gray dress and hat, the younger one in a blue suit and brown boater hat.
- A raccoon wearing a faded blue pageboy cap and matching single-strapped overalls with a patch.
- A deer wearing a beige unionsuit with a faded indigo patch.
- A possum wearing gray-green trousers called Jeff by Greg.
- Appear to be inspired by Richard Scarry's Busytown animals.
- Alternatively, they may be inspired by Beatrix Potter's illustrations.