What's the time? Adventure Time for your pet! The Adventure Time Pet Collection from A Crowded Coop was made with the cartoon-lover in mind! This fun shirt features vampire Marceline sitting against a fire hydrant with the text "Things Get Crazy When I'm Hungry". Small: girth- 15”-18”, length – 8.5” – 9”; Medium: girth – 17” – 20”, length – 13”- 13.5”; Large: girth – 20”-23”, length – 16”-16.5”; X-Large: girth - 22” – 25”, Length – 19.”-19.5”; XX-Large: girth - 25”- 28”, length - 22”-22.5”. Officially licensed.