The Tar Monster was the last of the monster costumes to come to life. The Tar Monster has the ability to grow to massive sizes. He is one of the main monsters of the film; in his main scene he traps an entire streets cars in his tar. Later the Masked villian sent the beast to smother the gang, who were attempting to cross the monster filled room, but Scooby managed to freeze the tar monster. Shaggy then threw the control panel to Scooby who then plugged it into the monster machine that automaticly killed all of the monsters.