Rina Facts - Nickelodeon's first married gay couple - Howard and Harold McBride

 Yes, Howard and Harold McBride from The Loud House were Nickelodeon's first married gay couple featured in an animated series, making history with their debut in the 2016 episode "Overnight Success". Their introduction as Clyde McBride's loving, interracial parents was celebrated as significant LGBTQ+ representation for children's programming, handled casually and positively.

https://www.buzzfeed.com/victoriasanusi/time-to-make-history#:~:text=The%20Loud%20House%20is%20now,Reply%20Retweet%20Favorite

https://en.wikipedia.org/wiki/Howard_and_Harold_McBride