He's evil, but completely non-threatening, because he's what you call a 'Comedy relief villain'
Dr. Heinz Doofenshmirtz :)
Hienz Doofenshmirtz
When he isn't fighting evil dr doofenshmirtz
Between 40 and 50 years old
I think the doctors name was, Dr. Kovak but I'm not positive.
Charlene Doofenshmirtz
England and the shape of the doofenshmirtz's evil inc. building which sort of looks like Ferbs head.
Vanessa Doofenshmirtz is the daughter of Heinz and Charlene Doofenshmirtz
Dr. Heinz Doofenshmirtz was created in 2007.
No Doofenshmirtz did not miss a episode on Phineas and Ferb.
NO katy perry did not date doofenshmirtz, and you know she didn't.
Vanessa Doofenshmirtz is voiced by Olivia Olson