Such as 3DS of Nintendo, PSP of Sony, XBOX360 of Microsoft. More information, you can come here: videogameplaza, I would say that Microsoft has the best console and in my opinion Bungie makes the...
Try any Call of Duty on the veteran difficulty and if your not a big fan of shooters, give Ninja Gaiden 2 a try, its pretty hard and also maybe try gears of war(preferably 3) as it tests your skill...
There is no certain character that are the BEST. But many votes and polls has suggested that Pac-Man, Mario, Sonic the Hedgehog and Donkey-Kong are ONE of many.