It's Casper!

Put your hand in the box, Paul Atreides

pretty sure this is the Splinter from TMNT. (or at least, Casper is cosplaying as Spinter?)

_{Shhh! Not so loud!}
Uh, Casper who? I don't know any Jasper or whatever you said.
^{You're gonna blow my cover!}

Psst... Hey guy, got any skooma?

Schnnnaaw what du we have heres

Snoop Cat

The Pink Panther dressed for a little burglary