| "Buster's cousin (Arthur's Birthday)" is not an official name. |
| Buster's cousin (Arthur's Birthday) | |
|---|---|
| Family | Unnamed spouse Buster Baxter (cousin) Bitzi Baxter (aunt)? Bo Baxter (uncle)? Buster’s aunt (unknown family relationship) |
| Cartoon debut | "Arthur's Birthday" (mentioned only) |
Buster's cousin is an older cousin of Buster Baxter. Pickles the Clown provided entertainment at this cousin's wedding.