|Occupation:||Former commander of Grimm|
|Family:||Damask (son), Centi (daughter), Alba (daughter)|
|First Appearance:||Mugen Gakuen - Mistress Labyrinth|
Gallica was a musical-only character who appeared in Mugen Gakuen - Mistress Labyrinth and its revision. He was a commander on his home planet of Grimm, but was one of the few to survive after the Death Busters attacked that planet, and fled with his family to Earth.
While on Earth, he disguised himself as a woman, pretending to be the mother of his children and adopting the name "Barako Hoshino" (星野バラ子). In both musicals, he was eventually revealed as the father of Damask, Centi, and Alba, who had adopted Moss, the last princess of Grimm, in order to protect her.
- The surname he used on Earth, "Hoshino," is a pun similar to that in the surnames of the Sailor Senshi; the "no" (野) literally means "field" but is pronounced the same as the word meaning "of" (の), making his name sound like it means "of the star." His given name means "rose child."