For me its the one from the superbowl where teh guy outs a dorito on a mouse trap and the guy in a mouse costum breaks out the wall and beats up the dude and takes his bag of doritoes
Oh yeah every body loves Geico with the litle geco Want an english muffin they literaly hand you an english muffin with butter and jelly mmmmm I also like the so easy a cave man could do it