This is a non-canon pairing between Carl the Intern and Vanessa Doofenshmirtz. Some fans think it would be cute to have the nerdy intern with the enemy's beautiful daughter.
- None so far, but Carl does seem to be interested in "teenaged girls". - "Does This Duckbill Make Me Look Fat"
Love Problems (a story on the P&F Fanon Wiki)
"Carl: College Years" a whole fanon TV-Show about Carl's life and his attempts to have a date with her (on the pffanom)