64x64 is right.
I used Adobe Photoshop. I didn't know if it'd come out clearer or not. But this is an alternative.
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Your Friendly Toontowncentral.com Moderator Signatures by Pearl
My doctor gave me pills to help with my memory, but I keep forgetting to take them. 
WHO ARE YOU? WHY DO YOU KEEP BUGGIN' ME!?
WAIT...WHO AM I?