nice idea its not a really cool sig but its the evolution, ehmm you can use 2 sigs, but i got a better idea why not make an evolution based on console, like for nes 1 guy/girl for snes one guy/girl for psone 1 guy/girl and for ps2 1 guy/girl then you will have space enough and you also got a logically evolution without missing the last ff x,x-2 and stuff.