It sounds like he's trying too hard to lower his voice. I bet it wouldve sounded much better if he had done it in a higher pitch. BTW that has to be the friendliest pit I've ever seen.
found one on ebay:
http://cgi.ebay.com/IRON-MAIDEN-LUNCHBOX-The-Number-of-the-Beast-NEW_W0QQitemZ320404429371QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item4a99979a3b&_trksid=p3286.c0.m14
that's funny. my kid is about to start 1st grade and he wants the same thing! i saw a trooper one at Spencer's gifts last year. Maybe try their site..good luck!
Oh yeah back on topic....just watched the All Nightmare Long vid, pretty friggin' sweet IMO. Quite original. Nice to see a music video that tells a story. I love the combination of CGI and the old-film look.