I forgot to mention all were bad guys in the glass movie and symbolized the lunar boss/queen too.

See in the glass poster in imdb bruce willis dressed also like the black hooded puppet master from ghost in the shell movie, the beast, wheeled chair profesor x/samuel jackson all shown as different pieces/fragments of the same glass.

The glass is also symbolizing the dreamworld/silver goo mirror/glass that absorbed neo in matrix 1/satan's territory.