<P> Phineas Flynn ( voiced by Vincent Martella ) Like other characters , he has red hair . His age is not mentioned . Phineas , along with his stepbrother Ferb Fletcher , star in the A-Plot of every episode . The series concerns Phineas 's attempts to avoid boredom by finding something new to do every day of the summer vacation . He does this with his less - talkative stepbrother Ferb , and often with many other neighborhood children . He is known to be very selfless and energetic . Phineas has many catch phrases like `` Oh , there you are , Perry '' or `` Hey , Ferb ! I know what we 're going to do today ! '' and `` Hey , where 's Perry ? '' . </P>
<P> Phineas Flynn ( voiced by Vincent Martella ) Like other characters , he has red hair . His age is not mentioned . Phineas , along with his stepbrother Ferb Fletcher , star in the A-Plot of every episode . The series concerns Phineas 's attempts to avoid boredom by finding something new to do every day of the summer vacation . He does this with his less - talkative stepbrother Ferb , and often with many other neighborhood children . He is known to be very selfless and energetic . Phineas has many catch phrases like `` Oh , there you are , Perry '' or `` Hey , Ferb ! I know what we 're going to do today ! '' and `` Hey , where 's Perry ? '' . </P>
who does the voice of phineas on phineas and ferb
who does the voice of phineas on phineas and ferb
Vincent Martella
Vincent Martella