Doofenshmirtz
The relative that Heinz Doofenshmirtz was able to fix his relationship with by bringing them a lawn gnome.
Who is his father?
The name of Perry's new nemesis in an episode where Perry must leave Danville, showing us not only how much he means to his family and Doof, but how much they mean to him as well.
Who is The Regurgitator?
Buford and Baljeet sing this song when they realize that their relationship means more to them than they previously realized.
What is "There's a Nerd Shaped/Bully Sized hole in my Heart"?
This made Candace realize that her relationship with Phineas and Ferb was deeper and more loving than she previously thought.
What is finally busting them?
It took this many years for the show to finally be created, because it seemed too complex for audiences to understand, even though now it is said to be too simple and similar from episode to episode
What is 13 years?
How Doof found out that he was a good person with a bad childhood rather than a truly evil scientist.
What is when Vanessa got an internship at O.W.C.A?
The only thing that was able to make Perry show his secret agent self to his host family.
This animal caused Ferb to get outside of his comfort zone and give a speech to a crowd full of people even though he usually only says one line per day.
Who is Steve the Chameleon?
Candace did this when she realized how upset Phineas and Ferb were when Perry was lost, all because she wrongfully thought it was her fault.
What is she spent the entire day secretly searching through Danville to find Perry?
The main family is mixed between family and step family because this creator had a mixed family himself.
Who is Jeff "Swampy" Marsh?
The thing that Doofenshmirtz always tried to make special for Vanessa because he was never given one.
What is a birthday party?
The name of Doofenshmirtz's new nemesis, who shows Perry just how important Doofenshmirtz is to him.
Who is Peter the Panda?
What project finally caused Phineas to realize that not everything is possible and that is ok, as long as you have friends and family around you.
What is trying to make the longest day of summer?
The threat of what caused Candace to face her fears of spiders and save the world
What is the threat of a new Ice Age?
Conspiracy theories exist about this character having schizophrenia, explaining why nothing stays built and everything disappears at the end of the day.
Who is Candace?
The friend that Doofenshmirtz lost as a child, only to find when he returned that his real best friend was Perry the Platypus.
Who is Baloony?
Where Perry was transported when hit by the "Go Home Inator", showing us that Perry's heart lies with his family.
Where is Africa?
This is the only thing that Buford admits that he cares for, in fact he was a sobbing mess when he lost it and was only able to get it back after facing his biggest fear: Giant Squid.
Who is Biff the Goldfish?
This made Candace realize that she had been spending so much time following the path of busting her brothers that she had forgotten to enjoy herself all summer.
What is she got knocked out and dreamed that she was in "The Wizard of Oz"?
The sarcastic and throw away humor seen in this show is based off of these two shows that Dan Povenmire had worked on previously.
What is Family Guy and Spongebob Squarepants?
The invention that showed us that Doofenshmirtz's only good memories are that of Perry the Platypus and his daughter.
What is the Backstory-Inator?
Perry's worst nightmare, shown in the episode "Phineas and Ferb get Busted!"
What is that he would have to relocate to a different family because his identity was revealed?
Vanessa received this from her father that caused her to realize that he loves her more than anything and that he is actually a great dad.
What is the Mary Mcguffin doll?
Candace sacrificed herself for this creature because he was about to be killed by Mittington Random.
Who is Klimpaloon, the magical old-timey bathing suit that lives in the Himalayas?
Theories arise about these two characters being related due to their similar face structures and mental capacity.
Who are Phineas and Doofenshmirtz?