Ball pattern

Hey guys, my friend wants to make this octupus found in a crochet pattern… the only problem is neither of us knows how to crochet. Its made by just putting a bunch of balls together… so does anyone know of a simple ball pattern? no decorations or anything, just a plain ball.

thanks for any help! and heres the crochet pattern i was talking about:
http://www.roxycraft.com/Amigurumi_Momotheoctopus.htm

There are a bunch of balls here.