They can either attack with a mediocre physical attack or a strong critical attack called "Cat Scratch".
They can be defeated with simple physical attacks.
Gaelicat is a portmanteau of "Gaelic" and "cat".
In the Advance and mobile versions, the Metamorph version of the enemy is called "Cait Sith". The enemy is called Cait Sith in various foreign language versions of the game.
Cat sìth (meaning "faerie cat", pronounced "Kat Shee") is a fairy creature from Celtic mythology, said to resemble a large black cat with a white spot on its breast. Legend has it that the spectral cat haunts the Scottish Highlands.
The legends surrounding this creature are more common in Scottish folklore, but a few occur in Irish. Some common folklore suggested that the Cat Sìth was not a fairy, but a witch that could transform into a cat nine times.