Velken. Protector of the glaciers. He is named after one of the larger glaciers in Russia. I am working on a whole squad of Protector variants from the 2015 series. This guy is 3rd in the set. The first two were Nickau and Argentus.
The skeleton shell doesn’t work personally especially with the lack of coverage on the “pelvis” section since the white is suppose to be armor and the trans-blue is his body, he also have some nice small detail of the alien blaster and claw piece-
Its from some old school hockey figure sets Lego released a long time ago. On bricklink just search for ‘hockey chest’. There’re quite a few colors. I’ve got yellow, red, white and black.