Yummmm....sooooooshaaaay!
I have to wonder -- if he could do a blue color for the other flags, why isn't the upper left field on the US flag blue? It looks like he just used a little rectangle piece of seaweed. And what's with the stars? Gotta give him credit for the correct number of stripes though.
As far as eating those, I'd leave that Irish flag alone. I think the light green stuff is wasabi and that's just WAY too much hot stuff to eat on that thing!
And if anyone is wondering -- the yellow is sweet egg omelet mixture called tamago. The orange and black stuff are types of roe. My best guess on the white (topping) is squid. I have no idea what he used for the blue, but he must have dyed it with food coloring.