New critters of Fallout 76 (Speculation)

So, in the E3 trailer we see a variety of new creatures, at 1:30, 1:57, and 2:05

[https://www.youtube.com/watch?v=884chSIl1dY](https://www.youtube.com/watch?v=884chSIl1dY)

What do you guys think these creatures from hell evolved from?