Spikes are enemies in New Super Mario Bros. Wii. They look like green dinosaurs with blue hair. They first appear in World 2-2 in World 2 (NSMB Wii). They take spiked balls from out of their mouths and throw them in Mario's direction. They then start dancing and repeat the process over again. Usually they're Barrels that Mario can throw at them to defeat them. However, the spiked balls can destroy the barrel. Mario can also jump on its head to defeat it, but this is dangerous because they may pull out a spiked ball the minute Mario lands on them. He will take damage but still defeat the Spike. Stone Spikes are a type of Spike that appear in World 6 (NSMB Wii). If Mario touches the Spike on its side, or its spiked ball, he takes damage. Mario can jump over the spiked ball however.