Mario mushroom cake and an R2D2 cake

Do you love Super Mario?Veruca Salt made not one, but two character birthday cakes last weekend. Pocahontas wanted a Super Mario mushroom cake, the special 1Up power up mushroom that gives you an extra life extra power/health in everyone's favourite childhood video game. [Thanks to fushmush and FFichiban for the correction]This cake was reasonably easy to construct - butter cake cut to size and