mongaa
Ambiguous tag.
For a type of creature in Birth (OAV), use Mongaa (Birth).
For an alien creature in 21 emon, use Mongaa (21 emon).
For a deformed form/signature gag in The Momotarou manga seires, use mongaa (the momotarou). (this should be a general tag)
For machine monsters in Taiyou Sentai Sun Vulcan, use their individual names ("*** Monger").