Duck Fever
Duck Fever / Fanken

An exceptionally odd breed of Ducken dressed in a soccer uniform with a soccer ball for a head. Its head randomly bursts into flame when its upset, and its cleats allow it to run very fast. It is very passionate and takes loss very hard.

Its name was different in Monster Rancher Advance so that it could fit within the character limit. It is one of several soccer themed monsters, including Gooaal! and Dribbler.

Etymology Edit

Originally named because it is a "fan" of soccer, its later name probably came from the phrase "Sports Fever."


Game Name Description Image
Monster Rancher 4 Duck Fever "'The Exploder' is a feisty monster, always jumping around. He throws his opponents off by creating havoc, stirring up powerful winds and then disappearing suddenly."
Monster Rancher Advance Fanken N/A Fanken MRA
Monster Farm DS Bakuression
Monster Rancher DS Duck Fever "Duck Fever is a macho duck with a passion for combat. It always distracts its opponent in battle by going into a rage and saying ridiculous things." Duck Fever
My Monster Rancher Duck Fever "Its body is blue and white, and its head is covered in a black and white pentagonal pattern. If it loses a battle, it will often run away as a form of suspension." Duck Fever MMR


  • To obtain a Duck Fever in Monster Rancher 4, use either the PS1 game Super Shot Soccer or the DVD Cats & Dogs.
  • To obtain a Fanken in Monster Rancher Advance, use the password Football.
  • To obtain a Bakuression in Monster Farm DS, use
  • To obtain a Duck Fever in Monster Rancher DS, use
  • To obtain a Duck Fever in My Monster Rancher, use

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