Hafnium is an element in the game.
He is blue grey with blue eyelids, pink cheeks, and white lips.
Voice SFX: Haaafa Haaafa!
How to change Hafnium:
Osilloscope: Turns into Zirconium
Centrifuge: Spins then splatters all over the place
Bunsen Burner: Seems to enjoy but produces grey steam
Test Tubes: Turns into Lanthanum
Freezer: Seems to enjoy but turns into ice