Heidi

Heidi is a 14 year old female who lives in Danville. She made her first appearance in the Season 31 episode, Little Miss Uncontainable. She is smart and athletic with blonde hair and blue eyes. She is average sized and very nice.

Phineas Flynn
Heidi and Phineas are pretty good friends.

Ferb Fletcher
Heidi and Ferb hardly ever talk.

Isabella Garcia-Shapiro
Heidi and Isabella are friends and sometimes hang out. They talk whenever they are both over at the Flynn-Fletchers'.

Buford Van Stomm
Heidi and Buford don't really appeal to each other but they get along anyways.

Baljeet Tjinder
Heidi likes Baljeet and he likes him back. Heidi is unaware of his relationship with Bailey, however.

Candace Flynn
Heidi has never met Candace.

Django Brown
Heidi became better friends with Django when they both were stranded in the prairie. Before that, they hardly knew each other.

Irving Du Bois
Heidi and Irving aren't the best friends but since she's so nice she talks to him.

Bailey
Heidi and Bailey usually get involved in adventures together so they are pretty good friends.

Katherine
Heidi and Katherine are friends but never talk.

Kenzi
Just like Katherine, Heidi and Kenzi are friends but never talk. But they did when they got stranded.

Jenna
Heidi and Jenna don't really know each other.

Hannah
Heidi and Hannah don't know each other at all.

Lauren
Heidi and Lauren don't know each other.

Tanner
Heidi doesn't know Tanner.

Haven
Heidi and Haven are pretty good friends when it comes to adventures.

Ford
Heidi and Ford once sang similar songs, but they never talk.

Caleb
Heidi knows Caleb since they came to town together but since then they've never really talked.

Dylan
Heidi and Dylan never talk.

Wesley
Heidi and Wesley have never talked, and Heidi doesn't think she knows Wesley.

Little Miss Uncontainable
Heidi arrives to town with Haven, Caleb, and Ford and technically Dylan and Wesley.

My Favorite Treat
Heidi goes into a cooking contest against Jessie, Mckenna, Katie, Mallory, Emily, and Cassie.

The Biscuit of Zazzamaandaboove
Heidi goes along on the trip to find the fabled biscuit.

Snapchatters
Heidi is one of the people in the big Snapchat group. She isn't seen snapping anyone.

Phineas Radio
Heidi is interviewed on the radio show, and she reveals she likes Baljeet.

Danville and the Tornado
Heidi is saved by Phineas in the tornado when she is trapped in the ruble.

The Thrift Shop
Heidi is seen at the thrift shop.

Dance, Bailey, Dance
Heidi is in the audience supporting Bailey.

Pirates of the Tri-State Area
Heidi goes along on the adventure and is harmed by Doofenshmirtz. She also kind of finds out about Agent P.

The Mystery of Django's Artwork
Heidi is over playing the board game Phineas and Ferb made.

Ukulele Lessons
Heidi attends ukulele lessons with Doofenshmirtz and Doof wants to do better than Heidi.

Lost in Italy
When going to Italy, Heidi gets left behind from her friends so Doofenshmirtz helps her to get home.

Bursts of Flavor in My Mouth!
Heidi is among the many few who are the panel of judges to taste Phineas and Ferb's crazy new foods.

Nothing But Grass For Miles
Heidi gets stranded in the middle of a grassy prairie with Bailey, Kenzi, Baljeet, and Django.