A purple hat on the old man with a cane and you've got Wonka incognito. Nothing stopping you from trying the whole outfit. Water based acrylic craft paint will wash off if you hate it. (Wallmart, etc... Applebarrel under $1 2oz. Gloss for wet/ hi shine. Satin for most shines/ some highlights (✓ Wonka in Satin), flat/matte for everything else. Lighten colors w/white for highlights.
A cheap way to learn and practice, easy cleanup. Easy to thin if you need to. After a few months it can handle water enough to clean it. It will come off with a short soak and toothbrush even a few years later. It's delicate at first, but gets harder after a while (week/month, kinda varies by color) Now if you want, topcoat With light coats of clear or hairspray to protect better.H airspray willalso wash off.