Ferb Fletcher

Ferb Fletcher is Phineas' British stepbrother who does not speak very often, only on rare occasions.

Personality
Very laconic, Ferb is not actually shy like one would assume, but very courageous and clever. Quick thinking and on his feet about things, Ferb is a mechanical and technical genius, Ferb has built a plethora of things, from a roller coaster to a rocket to robots.

Ferb has a major crush on Vanessa, who does not return his feelings due to an age difference.

Trivia

 * Ferb resembles his father.