The "Kerovan-Ouster" was the monster that fought Andros on KO-35 during an invasion by a huge army. It was responsible for putting Zhane into a coma when he threw himself in front of Andros to protect him from the monster's attack.Survival of the Silver The "Kerovan-Ouster" was seen as a member of Rita Repulsa and Lord Zedd's army.Countdown to Destruction