Top Definition
A Armored Koopa. the first Koopatrol was found inside <Spoiler> Bowsers castle,Princess Peaches Castle in Paper Mario<Spoiler ends here>
Also encountered in paper Mario The Thousand Year Door.
Person1:Hey man remember that Koopatrol we owned yesterday.

Person2:Yup i do
by Tails7712 July 04, 2011

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