I definitely think that holding a contest to select an honorary middle name for Selwyn is an excellent idea. But that prize you proposed sounds more like the bubba-prize than First Prize. :)
Is Selwyn a "he"? Strange... I'd gotten vibes that Selwyn might be a "she". Selwyn is going to have to straighten out at least one of us on that matter, so we don't give him/her a middle name that might cause his/her parents some concern. :)
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Nanaea