This article is about a/an kaijin in Kamen Rider, the original series.

Gireera (ギリーラ Girīra, 56) - A poisonous butterfly monster of Shocker. She could disguise herself as a human, fly, emit poisonous scales from her wings, and shoot venomous darts from her mouth. She was destroyed by Kamen Rider #1's Rider Kick.