Wellington claims to be from Mississippi here in the USA but we have never heard of a talking possum.
Oh well, since we can't prove otherwise we'll accept his story. Wellington is a bit slow and sometimes forgetful but always lovable. He is a Roads Scholar (Possums that aren't end up as Road Kill). He claims to be Irish (because of the "O") since he attended Notre Dame (He actually lived in the woods just off campus.) He often goes by Cecil. You'll have to ask him why.