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

Hiruguerrilla (ヒルゲリラ Hirugerira, 48) - A leech monster of Shocker. He was equipped with a whip and could launch leeches from his hose-like left hand that converted humans into mind controlled slaves. He was destroyed by Kamen Rider #2's Rider Kick and Rider Electrical Discharge.