おがさかずひろかわほりであれば
小笠和大蝙蝠であれば
oga sakazu hirokawahorideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of おがさわおおこうもり

1. If it were Ogasa and Da-Bat

Ba Conditional
Usually Written in Kana