Legality isn't a valid criticism, as people made pixel art (and more often than not, redraws) of Copyrighted characters prior to the feature being added. Also, on an off-topic note, I really liked that OC you used from a year and a few months ago, T. I believe it was called 'Midnight.'

Description: https://pixelartmaker.fandom.com/wiki/User:MrTroublemeyer