Its betta than ur current BUT u need a boarder and also fill in all the gap around the text there is too much space FILL IT!
Yea it does seem a little empty. Thats Trunks from Dragon Ball Z right? I love that show. Anyway it looks good for the most part.
Looks great, use some grungy things to fill the gaps Or maybe look at FrozenFlame's Siggy and use some 3d render brushes.