Professor Oak isn't just the best professor, he's on an entirely different level. He's orders of magnitude above the others. In fact, he's probably the best character in all of Pokémon.

Why is professor Oak so based?

>Handsome
>Clearly very well-off financially
>Single, his time is 100% his own
>Screw Delia (attractive and half his age) but doesn't let her take over his life or move in and start controlling him
>His child/children are all grown up and presumably great successful people given how much of a competent person they raised Gary to be
>Hard working, but knows how to have fun
>Sarcastic/dry humor without being offensive or rude
>Respected worldwide in his field
>Can handle manual labor just as well as cutting edge tech
>Fit, muscular body but not too bulky
>Full head of hair
>Does what he loves every single day in his comfortable home/cutting edge laboratory/verdant ranch
>Likes to cook
>Can recite poetry, has sophisticated worldly knowledge
>Good dresser, knows how to wear his colors and his original lab coat look never needed to be changed or updated in the anime