|Job||Newspaper sports reporter|
|Cartoon debut||"Bitzi's Beau"|
|Voiced by||Michael Rudder (season 20)|
Harry Mills is a sports writer, photographer, and journalist for the Elwood City Times. He and Buster's mother Bitzi encounter each other in "Bitzi's Beau," and become a dating couple. They later break up in "Bitzi's Break-up," but he remains friends with Bitzi and Buster.
Harry seems to be a nice, cheerful guy who enjoys telling jokes and loves kids but is also quite clumsy, nervous, and overly apologetic giving a sense he is not self-confident. Harry likes to hang out with Buster, like going to Elwood City Otters hockey games and Elwood City Grebes baseball games.
Harry Mills is a rabbit depicted with a beige complexion and clumps of hair, and wears a red and brown suit with a tie and tan shoes. Beginning in season 16, he has buck teeth.
- 50502. "You Are Arthur" (Name only)
- 50802. "Bitzi's Beau"
- 60601. "Citizen Frensky
- 80102. "Bitzi's Break-up"
- 90902. "Buster the Myth Maker"
- 100601. "The Curse of the Grebes"
- 110101. "Swept Away" (Mentioned)
- 120902. "Do You Believe in Magic?" (Mentioned)
- 160701. "Baseball Blues"
- 170301. "Molina's Mulligan"
- 200101. "Fern's Flights of Fancy"
- 210401. "Muffy Misses Out" (Cameo)
- He has a sandwich in the Sugar Bowl named after him. It is called the Harry Mills Meatball experience.
- When Someone You Know Has Cancer (2014 edition)