Quoted By:
G-Slowbro is more of a Singles oriented mon, I feel. It's actually really neat and kind of the ultimate joke. I don't think it is ranked in DLC2, but in DLC1, it eventually got ranked in OU at like C+ because of its Belly Drum set, funnily enough.
Quick Draw + Quick Claw has 44% chance to have Slowbro hit first. With a bit of luck, you can easily turn the tides and pull a really dumb sweep. It has Drain Punch & its 2 STABs and its more than enough to be a nuisance to revenge if it claws & drains something.
I haven't had much experience with Slowking-G but I assume its a decent enough, although probably strictly a mon for like, RU or UU. It does the same bulking as Slowking but it absorbs TSpikes and has an arguably weaker Defensive typing.