Lava Gun

The Lava Gun is a weapon made by Megacorp. Slim Cognito gave it to Ratchet, Clank, and Skidd McMarxx in season 3 of Ratchet and Clank: The televison series on Aquatos. It's upgrade in season 2 is Meteor Gun and in season 3, strangely, there was a different upgrade called the Liquid Nitrogen Gun.