Presenting, quite literally, the 'mysterious old man':
'Mysterious' or more like *creepy*
"I stayed up all night just thinking about how creepy he was," said YouTuber GoodguyGastly in that video above...
Honestly though, is this just some big 'ol joke, or are we looking at some sort of in-game legend?
Even if the 'mysterious old man' is just some creepy old dude, there are plenty of easter eggs.
Like, the 'Ghost Girl' in the video above.
Lastly, the biggest and most twisted mystery--are humans dating Pokémon now?