That's part 6
I haven't seen that part yet, but I do recall the screenshots

he can also revert things back to their original size instantly
he shrinks that car, slips it into a guys drink and then grows it back inside the guy
he does this because he's an assassin in the mafia

jojo's bizarre adventure part 5
this guy's stand has the power to continuously shrink objects and people, he can also shrink himself instantly
but don't get your hopes up, he's only in one or two episodes and he basically wastes his power ¬_¬

vm.tiktok.com/ZNdrUjpXE/
I think this chikn nuggit video describes it best

I've added a few more:

Jumbo January
??? February
Macro March
??? April
Micro May
Kaijune
Ginormous July
??? August
Sizeplay September
Oversized October
Nanovember
Diminutive December

But I'm still stumped on February, April, and August!

I didn't stand a chance against her, she 100% was the reason I became a fur

Gah damn, and I thought I ate alot X3
But all the better to give you a beautiful tummy ;3

mmhhh, you both look so good tied up >:3
wonder if i'd look as good? X3

oh wait? i think i recall, this was the asshole who hacked FA shortly after dragoneer passed isn't it?

I vaguely remember this guy, what did he do again?
say racist shit? neo nazi?