Dina

dina is a fan character made by inbar fink (Inbiki) for the animated television series Phineas and Ferb. she's Shirley's Nemesis and Doofenshmirtz's girlfriend

look
dina's slightly lower then Doofenshmirtz and she have black shorthair and glasses. she wears a lab cloak, similar to Doofenshmirtz, but the shirt under is violet

personality
like her Nemesis, dina can be unfocused and silly. although that, she's really evil.

skills
dina like to cook and bake and she's really good at this. she's also good in mechanics and Molecular gastronomy

evil plots
sinse dina likes to bake, most of her plans are pastry-based. even her evil business is a bakery ( dina's evil bakery)

list of known plots

 * to melt the North Pole
 * to sell to everyone her exploding muffins
 * a giant cookies dough monster

Heinz Doofenshmirtz
heinz and dina met when Shirley gets sick and perry needed to do him and Shirley's missions. she and heinz fall in love each other from more-or-less first sight, and they dating for quite some time

Shirley
Shirley and dina treat each other as friends, they eating lunch together and hang out after the mission