Zero no Tsukaima really screwed up with this one, whether it be the translators or the original Japanese. This is *not* a bugbear. This is a baby beholder. Look the two of them up on an image search. Then try and call this a bugbear again. I *dare* you.
This is a misunderstanding. It is meant to be called "Backbeard" (from GeGeGe no Kitaro), which, in Japanese, is pronounced almost exactly the same.
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Every school year, the students of Tristain Academy of Magic summon their familiars. This is...