Character: opal (a slime psycho)
Opal is a grey lizard character with golden horns, four golden eyes, purple eyebrows, white hair, and darker grey splotches across his body created by A Slime Psycho who canonically only has a first name and is not from this world. They love all forms of life, especially people and bugs. Opal's romantic and sexual partner is Soap. Opal, even by e621 standards, is an anomaly. Some of his "anomalous quirks" have yet to even appear on e621, and A Slime Psycho can't wait to share (once he finishes artworks of said quirks).
A Slime Psycho's other characters (order of appearance on e621):