Regarding Teddy, someone said he didn't inherit his father's affliction, only his mother's skills. But just because she invented the characters doesn't mean you have to believe her. I may do one of my 'questions' about this and the whole animagus/metamorphmagus discussion theentwife and I were having.
I meant to tell you the photo was taken by someone named Greg Koch and it was available for use, so if anyone asks you can give the man credit.