Groovitron

The Groovitron is a Grummelnet weapon that appears in Ratchet & Clank Future: Tools of Destruction and Ratchet & Clank Future: A Crack in Time. The weapon imobolizes enemies leaving them vulnerable to other attacks. It is infamous for making enemies, including certain bosses such as Tachyon, dance. In A Crack in Time, the Hypersonic Brainwave Scramblers might shout "Oh no! Groovitron!" if used near them.