Monstrum BB

Monstrum BB (formerly known as Nightmare Melius BB before he was remodeled) is one of the main antagonists in Monstrum Mode. He is the nightmarish version of Melius BB.

Current look
Monstrum BB has changed a lot compared to his old model. While he still keeps the same outfit, his smile has became wider, and his eyes are bigger. His teeth are longer and sharper, and now has a very messy hair. He doesn't seem to be wearing his hat anymore. His body overall becomes a lot taller and thinner, giving a Slenderman vibe.

Former look
With a similar look to Melius BB, Nightmare Melius BB has lots of sharp teeth and sharp claws. He still keeps his hat and outfit, however. His suit has became dirtier in appearance, being covered in dust. His eyes are fully covered in black as well.