I don't watch much current anime, last one I watched when it was new was Witch Hunter ROBIN in 2002. As for my first, Tekkaman: The Space Knight, it premiered in 1975 but I first saw it in '86.
Favorite current anime: Yuru Camp Season 3
Actual favorite anime: Toradora (goated asf)
Anime I first watched: idk if this counts, but Yu-Gi-Oh! Duel Monsters