Headache Paint.NET
Species: {{{species}}}
Home planet: {{{home-planet}}}
Body type: Small Humanoid
Abilities: Flight, Creating Sickness
1st appearance: Headache

Headache is an additional in Ben 10: MEGA Alien.


Headache is a 4.5 ft humanoid alien. He wears black and white pants and is made of orange goo. He is constantly dripping of goo.


Like Goop, Headache can become a puddle of goo. He has the ability to fly and shoot goo that, on contact, makes his opponent sick or gives them a headache.


Headache makes his debut in the episode of the same name when sick Hopefull drips goo onto the MEGATRIX II. Recognising a sick goo it unlocks the sick, goo alien; Headache.
Headache's Debut

Headache's Debut

Ben 10: MEGA Alien
Alien X| AmpFibian| Armodrillo| Arcticguana| Atom| Benmummy| Benvicktor| Benwolf| Big Chill| Brainstorm| Buzzshock| Cannonbolt| ChamAlien| Clockwork| Colourless| Diamondhead| Ditto| Eatle| Echo Echo| Eye Guy| FuzzBall| Ghostfreak| Goop | Grey Matter| Heatblast| Hopefull| Humungousaur| Jury Rigg| Lodestar| Nanomech| NRG| Rath| Ripjaws| Spidermonkey| Spitter| Stickler| Stormfront| Swampfire| Shocksquatch| Terraspin| TriWuzzo| Upchuck| Upgrade| Water Hazard| Way Big| Wildmutt| XLR8
Additional Aliens
Headache | Snakepit | Toepick | Shellhead | Surprise Alien | Brainwave | Falconator | Organism | Unseen Alien
Re-Unlocked Aliens
Stinkfly | Fasttrack
Ultimate Forms
Ultimate Swampfire | Ultimate Big Chill | Ultimate Humongousaur | Ultimate Echo Echo | Ultimate Spidermonkey | Ultimate Cannonbolt | Ultimate Wildmutt | Ultimate Goop | Ultimate FuzzBall | Ultimate Hopefull | Ultimate Rath | Ultimate Ben | Ultimate Way Big
MEGA Forms
MEGA Rath | MEGA Spidermonkey | MEGA Cannonbolt