Finn Flynn is Phineas and Ferb's cousin. He is ten years old.
Biography[]
He was born on November 13th 2003, and was the child of Tiana and Bob Webber.
Later, he visited his aunt, uncle, and cousins, and became a part of Team Improbable 3. The origanal Team Improbable got mad and had a competition between teams. Finn made a potion that can make your superpowers real, and Phineas sent Buford in to steal it. Finn's team lost, but they still were kept as Team Improbable's sidekick team.