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Derek is a recurring antagonist of the Disney XD series Milo Murphy's Law. He is a Pistachion who is one of the sons of King Pistachion. He served as a supporting antagonist in the hour-long special Missing Milo, and the main antagonist in the episode "Fungus Among Us".

Origins

Although Derek didn't appear much in the first season, his origins were shown in the episode "The Substitute", where Milo Murphy and his friends accidentally created a sentient blob that attacked the students and two time-travelling agents named Vinnie Dakota and Balthazar Cavendish. In the end, the blob left the school and came into contact with a broken pistachio sapling on the lawn, causing it to be replenished to its former glory and resulting the birth of King Pistachion, who would breed his own army of Pistachions (including Derek) to take over the world.

Role

Missing Milo

In the hour-long special "Missing Milo", Derek appeared briefly when King Pistachion ordered him and several other Pistachions to capture Balthazar Cavendish, Vinnie Dakota, and Milo Murphy to prevent them from going back in time to destroy the sapling. However, the trio manage to escape in their time-travelling limo, but Derek has managed to catch up by holding onto the limo. As they travel through the time stream, Vinnie notices Derek and used a bag of clocks to knock him off the limo, leaving a helpless Derek to stumble around the time stream.

Following the deaths of King Pistachion and his other Pistaction back in Milo's time, Derek ends in the year 1955. Smiling at this, Derek happily runs off as he intends to get revenge on the heroes for defeating his father and wiping out his race from existence.

Fungus Among Us

In the episode Fungus Among Us, it is revealed that Derek spend the next 10 years secretly plotting his own revenge against humankind for wiping out his race. Disguising himself as an intern for the Dr. Zone show in 1965, Derek uses the show's profit to formulate a successful plot that involves extinguishing the human race and replacing them with new Pistachions in disguise. He even was able to create his own army of Pistachions to diguise themselves as several of the show's crewmembers to help him out. This causes the time stream to change, allowing the Pistachions to round up the majority of the population.

With only Milo, Diogee, Dakota, Cavendish & Malthson remaining as the only ones to evade the Pistachions' capture, they seek to find the world's first time-traveler Professor Time to get some answers to stop Derek and the Pistachions from taking over the world. However, in the episode's cliffhanger ending, the five end up meeting the evil scientist Heinz Doofenshmirtz (who too has avoided being imprisoned by the Pistachions for unknown reasons) after being trapped in his lair by accident.

Gallery

Trivia

  • It is unknown what happened to Derek and the Pistachions following the cliffhanger of Fungus Among Us, but it is confirmed that the rest of the story will be told in the upcoming Milo Murphy's Law/Phineas and Ferb crossover that will air in 2018.

Navigation

           Phineas and Ferb Villains

Doofenshmirtz Evil Incorporated
Heinz Doofenshmirtz | Norm | Vanessa Doofenshmirtz | Gelatin Monster† | Doofenshmirtz's Mecha† | Rodrigo | Mindless Repulsive Pharmacists

L.O.V.E.M.U.F.F.I.N.
Aloyse Von Roddenstein | Dr. Bloodpudding | Dr. Diminutive | Professor Bannister | Bannister's Thugs | Me-Positive & Me-Negative† | Dr. Killbot | Warehouse Goons

Doofenshmirtz Family (2nd Dimension)
Heinz Doofenshmirtz (2nd Dimension) | Charlene Doofenshmirtz (2nd Dimension) | Vanessa Doofenshmirtz (2nd Dimension) | Norm Bots† | Goozim | Animal-Borgs (Perry the Platyborg, Peter the Pandaborg & Pinky the Chihuahuaborg) | Tony Marzulo

Other Evil Scientists
Professor Destructicon | Dr. Gevaarlijk | Mitch | The Regurgitator | Esmeralda Poofenplotz | Khaka Peü Peü | Evil Carl (Evil Flynn-Fletcher Robots†) | Mittington Random (The Klimpalooners) | Professor Mystery | Professor Parenthesis (Mecha-Fleas†)

Crossovers
Red Skull | MODOK | Whiplash | Venom | Darthenshmirtz | Darth Ferb | Candace's C.O.† | Norm-3PO | Stormtrooper Candace | Stormtrooper Baljeet | Stormtrooper Buford | Pistachions (King Pistachion† & Derek)

Time Shift
Jekyll Doofenshmirtz† | Doofengung† | Doofus Khan† | Doofenshmirtz (1914) | Corn Colossus of Juatchadoon† | Norm (1914) | Professor Von Doofenshmirtz | Pneumatic Pnorman

Fictional Characters
Control Freak | Smile Away Reformatory School Sergeant† | Giant Buford† | Malifishmertz | Meatlings† | Lawn Gnorme | Keeper of the Bridge of Comprehension | Candace's Id | Worthington Dubois† | Professor Nibbles | Der Kinderlumper

Other
Brobots† | Suzy Johnson | Dennis the Rabbit | Busting Candace | Potato Gremlins | Liam McCracken | Morg | Peggy McGee | Victor Verliezer