Unless there's a string that resolves to a ninja that I don't know about -- there certainly is a skull and crossbones!
(May not show up on all browsers; dealer prep and destination charges extra; as-shown, includes options not available in all markets; may cause convulsions, revulsion, blindness or an aversion to cheese)
Call it up like this (take out the spaces) "& # 9 7 6 0 ;" and thank Wikipedia for the info.
(Title revised per Wayne C in Comments.)
INDIANAPOLIS HAMFEST, 2015
4 months ago