When entering a character name in a code, it must be all lower-case, with spaces converted to underscores "_". Also, remove hyphens "-" in names:

El Diablo: 'el_diablo'
Alche-Miss: 'alchemiss'
Mentor: 'mentor'
'black_bird'
'bullet'
'iron_ox' or 'ironox''
'law'
'liberty_lad'
'man_bot'
'man_o_war'
'microwave'
'minute_man'
'order'
'sea_urchin'
'supercollider'