These fancy character rosters

Master Crash

The Dragon of the West
Chat Operator
At the very least, I'd imagine you'd need a basic knowledge of image editing programs like Photoshop, or GIMP.

If you looked well enough you might be able to find a template or a sheet online you could use to help make a custom roster.

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Cherries and Berries
You can also make sort custom rosters by softmodding your Wii, but that's complex

It appears that this person who made the roster ripped mugshots and screenshoted models in order to make it look in style. Not sure about the Geno, but I know that's fanmade

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Cherries and Berries
Lakituthequick said:
Is Geno a trophy in Smash? If so, then its mugshot is from there.
No, he is not.

The Geno pic itself is fanmade