Randomized reskinned monsters for Zdaemon/Zandronum?

[Doomkid]

I was just wondering if anyone could point me in the direction of how to randomly spawn several varieties of enemies in place of existing enemies, preferably something ZDaemon compatible?

I know they use a monster randomizer on TNS. I had the idea of randomly spawning reskinned enemies but with identical stats, basically a way to keep the gameplay 100% identical while still adding some variety. Thanks!

[Medis]

There are several ways of doing this...
Deh+ACS or PATCHINF