Hajime no Ippo came out in 2000 the year I was born making me 16 in August ^+^
Hunter x Hunter a very popular show that's still on Netflix to this day with a total of 52 episodes and an exciting plot!
FLCL also came out in 2000 haven't seen it yet but it seems pretty cool
Digimon season 1 and who doesn't love digimon!?
Gravitation which I haven't heard much of but ive still heard some!