Brendan Townsend

Brendan Townsend is a villain who always come up with a plan to destroy Phineas & Ferb and also traps them.

Apearances
Phineas & Ferb: Save Summer

Brendan first appears when he goes to Danville to find out why the earth has moved away from the sun. He thinks Phineas & Ferb is behind this and goes off to confront them.

The New Adventures of Phineas & Ferb
The Return of Brendan Townsend

After last appearing in The Klimpaloon Ultimatum, Brendan goes to see his long-time rival Adam.

Get Brendan Week

Brendan brings Johnny Allen & Danny Moon back to life and teams up with them. He orders Johnny & Danny to kidnap Adam, Candace & Ferb. Johnny & Danny manages to kidnap Adam, Candace & Ferb by putting them to sleep. Phineas & Isabella was shocked to know that Brendan, Johnny & Danny has kidnapped Adam, Ferb & Candace and has to rescue them. Thankfully Phil Mitchell, Grant Mitchell and Jake Moon arrives to help them and Phineas & Isabella agrees to team up with Phil, Grant and Jake to save Adam, Ferb and Candace.

Phineas & Isabella Dies?!

In the final episode, Brendan finally manages to kill Phineas & Isabella and Adam, but is ultimately arrested by the Danville Police Department, when Cameron, Mandy & Milly found out about it. He is then sent back to London, never to be seen again in Danville.

Physical Appearance
His overall appearance is mostly based on his voice actor, but his design is also a mix of Heinz Doofenshmirtz, Jeremy Johnson, Monty Monogram & Ferb Fletcher.

Phineas Flynn
He hates Phineas, and wants to kill him no matter what.

Isabella Garcia Shapiro
He hates Isabella as much as Phineas. Also, he always calls her Angelica, which is a running gag throughout the series.