Is Geno a playable character in Brawl

No, there is no way to have him in Brawl, with hacks, cheats, or a modded Wii.

you can its reallly hard i will tell you first you will need an sd card any make sure its a 4.3u wii then go to letterbomb make sure you got your mac adress write it down somewhere in a paper then go to libraries then leave it dont click anything but dont do that yet enter your mac adress first in letterbomb click cut the red wire then it says wanna make this progran show up or something say yes it will say letterbomb or something maybe bootmii drag it into the sd card in the computer then wait a day or a little then it will have a bomb in one mail go to yesterdays mail it will get you to homebrew and download gekos then thats all by the way is legal dont hack ok! dont listen to no there is no way to have him in brawl i am editing this i am diffrent auther ok dont listen to the very top its crap