I mean the one you can't live without. The one that just nails it every time without too much tweaking. Its a toss up between two The Mojo Hand Rook and the J Rockett Animal. Guess I have to go with the Animal. It does the Timmy thing and gets into Marshall sounds. The Rook probably has more character, but not quite as much range with gains as the Animal. So lets hear about your favorite OD.