<ANPxxxx:0010:yyyy
xxxx being event ID (0310 to 0313 for the Colons, entity 122 during the boss fight)
yyyy being direction (0002 for right)
If they don't appear on-screen, try placing them one tile above ground, though? I haven't used 'em much, but...
Without ASM hacks, they can't die for good, I think. They'll be knocked out, but they'll recover again.
I might be Miss Taken, though. :p