Ryan Byron is a human in Housepets!. He is the owner of Fido. He was childhood friends with Jeff and Jake. He is blonde, wears glasses and works at an R&D. In his first appearance, he is shown driving Fido back home from the the police academy. He enjoys and plays DnD, as seen in A Mouse Named Spo. He is unseen in the comic for several real-life years before he reappears at the end of Pageantate!
|Dogs||Peanut | Bino | Fox | King | Tarot | Fido | Joey | Sasha | Tiger | Bailey | Ralph | Kevin | Duchess | Rex | Lester | Dallas | Yeltsin | Boris | Satau | Mungo|
|Cats||Grape | Max | Sabrina | Marvin | Res | Jasper | The Bigglesworths | Fiddler and Keys | Delusional Steve | Ptah|
|Others||Zach | The Milton Ferrets (Keene, Lana, Rock, Simon, Pit and Duke) | The Wolves Pack | Karishad | Raccoons | Itsuki | Jessica | Spo | Squeak | Jata | What Chicken | Bruce and Roosevelt|
|Humans||Earl Sandwich | Jill Sandwich | Ryan Byron | Bill Lindberg | Jerry Arbelt | Jeff | Jake | Jeeves | Mr. Steward | Joel Robinson|
|Fictional||Spot (Superdog) | Stripe | Jim-Jim | Bat-Bat | Regular Hawk | Criminals | Pridelands Characters|
|Celestials||Pete the Griffin | Spirit Dragon | Great Kitsune | Cerberus | Bahamut | Denizens of Heaven|