Itabby its not in the strip im pretty sure. Hope i helped :)
[EDIT]
In the anime, Italy refers to his cat as 'Buke'
Marukaite Chikyuu.
Ludwig Belidschmit
All the facts in Hetalia are 100% true/
Hetalia was created by Hidekazu Himaruya.
Hetalia World Series .
italys santa clauses name is "la befana" she is a girl
Hetalia Day is basically an alternate name for United Nations Day.
Hetalia Day is basically the fan name for United Nations day which is on 24th October.
Italys is in the southern time zone!!!!!!!!!!!!!!!!!!!!
Feliciano Vargas is his human name.
Austria's name is Roderich Edelstein
Himaruya gave Germany the name Ludwig.
Marukaite Chikyuu.
Hetalia - Axis Powers , Hetalia - World Series , Hetalia - The Beautiful World .
Italys main religion is roman chatolic.
Ludwig Belidschmit
Perhaps the anime 'Hetalia' ?