BiographyClay Aiken was booked for an hour as Phineas's stunt singer on the longest day of the year. He arrives in the morning to sing "I Believe We Can" with Chaka Khan. Unfortunately, Candace misses this performance and spends the rest of the day being reminded of it ("Phineas and Ferb Summer Belongs to You!").
- He is voiced by and based on the actual singer, American Idol contestant. Clay Aiken also competed on the Celebrity Apprentice.