I've had this one practically done for about a year, but I never got around to posting him. This one actually took a lot of effort and engineering to get right. The basic recipe is as follows:

Torso and Arms: Caliban BAF
Legs: Age of Ultron Hulk
Head: custom head cast
Hands: Interchangeable SH Figuarts Avengers Hands

This was my second attempt at casting a head. I took the SH figuarts hulk head, molded it, cast it, and sculpted the cast. I then used pro-create to sculpt the hair.

For the legs, I took the AOU Hulk legs and had to heavily modify and sculpt them to fit the Caliban body.

The hands were interesting. My paint job and the figure's overall size match the figuarts hulk almost perfectly so I wanted to find a way to use those hands interchangeably. Since SH and Legends have very different peg systems, I actually pulled out the dumbbell pegs from the SH hulk and cast it to make extra pegs that I then inserted into the ML arms.