He has markings on his lower arms, palms, and fingers, he has an ink marking on his cheek. His lower half is a gray with fins that fade dark blue as a base, his tentacles are basically his limbs spanning from red,orange,yellow,green,blue,purple and white fading to black. Ink!Sans has a tendency to get too excited about things. He happens to sometimes randomly vomit ink, mostly when he gets too emotionally shaken, whether from passion or shock. He also has very short memory.