All of the figures pictured here were heavily customized to produce an amalgam of other figures, bits, and junk.

 

[Demon]

A demon.

[Exarch]

A Swooping Hawk Exarch,
wielding the Web of Skulls.

[Orc on Snowball]

An orc riding a war boar.
Yes, it is a runt war boar.

[Wierdboy]

An orc psychic.