@MarioDaCat is an old pal of The Duckie Club. You can see him in The Duckie Club Movie Volume VII at 2:04.
INTRODUCING Mario's Donnie Duckie! Mario loves his Donnie Duckie.
Mario do haz a bloggy called Mario's Meowsings. Along wif Mario's meowsings there is also some good information about how he was treated for Stomatitis and Gingivostomatitis. This may be helpful to pals with the same condition.