The Clown is a sinister-looking man with pale face, black eyes, red lips, wrinkles, red nose, bald head with only several hairs sticking out from behind his head and a near-invisible hand. He also wears a tiny hat, checked yellow and green shirt under blue overalls and a red bowtie.
- "The Procrastinators": He sends a telegram to Gumball and Darwin from their mother, reminding them to take the trash out.
- "The Saint": He appears on TV, turning Jessica and Dexter into balloon animals.
- "The Compilation": He appears during "Nobody's A Nobody".
- "The Choices": He is stuck in traffic on the expressway.
- "The News": He appears on the news, driving his car down the street.
- He bears a resemblance to Pennywise the Dancing Clown from the 1990 TV adaptation of Stephen King's novel It.