tomska is a youtuber that has been active since 2002 and all of his videos have trigger warnings in the descriptions. he is a huge supporter of the LGBT community and has done several lgbt/trans friendly sex education videos. he is also the creator of the 2000s randomcore (best word i could use to describe it) internet series asdf movie.
his other videos are actually really funny:
he also wrote a christmas themed book featuring a main character who uses they/them pronouns:
PTA archive 