As far as I remember latin classes, "germanellus" would also be correct.

Quote Originally Posted by Macilrille View Post
Who was also a male
He was, but "caliga" is feminine even when used as a nickname for a man. Just as "poeta" or "agricola" are feminine nouns. But when using an adjective to decribe them, the adjective has to be used in the masculine form, e.g. "poeta romanus" or "agricola romanus".