Lock Dealer Sid/Kamen Rider Sigurd

Before becoming a rider, the mysterious Lock Dealer Sid (錠前ディーラー シド Jōmae Dīrā Shido) sold Lockseeds to the youths of Zawame City to facilitate their Inves Games. After receiving his Genesis Driver, Sid used the Cherry Energy Lockseed to become Kamen Rider Sigurd (仮面ライダーシグルド Kamen Raidā Shigurudo).