FANDOM


This article is about Heinz's cousin. You may be looking for Heinz's grandmother or the Flynn-Fletchers' goose.
Gertrude
No Screenshot 2
Gender: Female
Age: Unknown
Friends and Family
Parents:
Gertrude's father and mother
Grandparents:
José Doofenshmirtz (possibly)
Children:
Unnamed baby
Cousins:
Heinz Doofenshmirtz
Roger Doofenshmirtz
Uncles:
Mr. Doofenshmirtz
Aunts:
Heinz Doofenshmirtz's mother
Grandmother:
Gertrude Zupermühltienatör (possibly)
Other relatives:
Vanessa Doofenshmirtz (first cousin once removed)
Behind the Scenes
First Appearance:
  "Attack of the 50 Foot Sister" (Mentioned only)

Gertrude is Dr. Doofenshmirtz's cousin. She is either about to have a baby and/or already has one ("Attack of the 50 Foot Sister").

Background Information

Appearances