Thy Eggsman, Destroyer of (Not all) bosses

Is that a Amogus in his pocket

no, these are all weapons from item shop

Oh wait
THAT'S THE UPVOTE SWORD

in his pocket? The weapon in his pocket is the light sword

Not that

The thing on his back

yes he has forged his own upvote sword

Is he friendly to bosses who are good guys such as the Collector or Inkmatas

I'd say that Thy Eggsman is friendly to the good guys

you can just call him Eggsman

Okay

And Death who only kills shadows

¯\_(ツ)_/¯