T'was about average
First of all I thought the intro was cool and the slogan was good too so give yourself a pat on the back for that one. ^_^
The sprites were ok but during the dance it was a bit repetitive like it was just the green Yoshi doing backflips and the red one sliding back and forth, I dunno but I thought you could've done a little more with that...
The humour was good. I liked how after every hour it just showed Yoshi getting more and more angry through his facial expressions and it built suspense as I was just waiting for him to snap and do something and the godzilla noise.. well it was loud enough for me to lean back in my chair so I think you did a good job on that. ^_^
Anyway overall I enjoyed this but I'd like to see this a little longer and a bit more variety... 3/5.