[quote=@TheWindel]
For some reason, I always imagined him being made of hamburger meat on the inside.
[/quote]

Actually, someone more imagined that too.

[img]http://img1.ak.crunchyroll.com/i/spire4/4cdcd36d591aaf395b0c0f0d6367069c1414447537_full.png[/img]

This is a offical kyubey meat bun that Ive seen on Chrunchyroll once. Japanese people sure are weird.