I thought this one was elegant. The successful brother is going to cure the goofball of his need to get into the Guinness Book of World Records once and for all, and take out some frustrations in the process.
So far though, most people who have read this have kinda shrugged it off.
This was my work desktop background for four years and in my opinion the best one done by Rob.
This is the first strip (chronologically, from the first one) that actually made me laugh out loud.