My favorite opening is GREATO DAZO from JoJo's Bizarre Adventure. Since the Bite The Dust version came out, before that it was End of The World. I don't remember my favorite ending.
Gappy > Jolyne > Jotaro > Johnny > Josuke > Joseph > Jonathan > Giorno
Valentine > Pucci > Kira > DIO > Kars > Diavolo
Steel Ball Run > Stone Ocean > JoJolion > Diamond Is Unbreakable > Battle Tendency > Stardust Crusaders > Vento Aureo > Phantom Blood
Gyro > ALL If you disagree with any of this, you're wrong.
"I won. Ah...please allow me to say it properly. *POSE* I WON! Completely!