No, it's a unit. Spending 1k RC for a glorified exp can would be rather insane, and event units don't give many RC as has been pointed out.
Black unit: http://seesaawiki.jp/aigis/d/%b0%c5%b9%f5%b5%b3%bb%ce
Black can: http://seesaawiki.jp/aigis/d/%a5%d6%...bc%a5%de%a1%bc