Do not fear the reap, er, rock star?
Ever wanted to play with that sweet scythe but not with Grim? Well now you can! once you have bought the Grim Ripper from the store, go to the Career level you want to play with the scyte on and pick the character you will play as. Next, go to any other difficulty and choose Grim. Make sure he has his scythe and then go back to the other difficulty. your character will be listed as playing the Scythe! And you will!