 Currently he's currently deceiving, erratic, and unpredictable. He sees everyone's as mere tools to further his goals and is completely devoid of empathy. He's also Intelligent, and often comes up with countless schemes to bring absolute suffering to existence. He's filled with pure and utter Hatred, wanting everyone to be in a perpetual state of torment.
That one negativity guy with only one eye(the right one is covered by goop).
Skeleton covered in goop,,Brother” of Dream call him Nightmare