Herb

Herb is a character from Phineas and Ferb and a con artist.

Stuff
Herb first appears in Phineas, Ferb, and Herb? from season 0, where he makes phineas and ferb believe he is their long lost brother to get their inventions. Later, he has a crowd cameo in Buford's Scandal and Doom Farts, finally making another speaking appearance in The Return of Herb. In this episode, he creates alliances with other villians such as Doof and the Regurgitator to make the Crime Commitee of Danville. They attempt to make Phineas and Ferb go to their base and build them things with no pay, but the comittee including Herb is sent to jail. His final appearance was The Last Temptation of Phineas, where he makes Phineas choose between saving Isabella or Perry from a fire trap, which was a colaborated effort with Doof. Eventually, he falls in the fire and dies.

Appearances
Phineas, Ferb and Herb?

Buford's Scandal (cameo)

Doom Farts (cameo)

The Return of Herb

The Last Temptation of Phineas