Shot of him, from your video, on the landing, with the railing mid-rib height. Average height of the railings (which are attached to the post in the pic, just below his elbow/just above his waist) are usually 32-38", that's well above his waist, let's be generous and call it 40 inches, puts him between 60-65" tall. That's 5' to 5'5.
Idk who the rando dudes are, absent context, he is the shortest among manlets. I'm just here cause he found a bog hag.
Clip from the video in your reply: Top-freezer refrigerators are on average now 60.75" to 70.25", and the door is at least a foot behind him so the angles skewed too use that for a frame of reference.

He lives in either bottom-tier slumlord housing, or subsidized housing in a remote, rural place right? Like that stove of his hasn't been made in like 30 years, and that color hasn't been popular in about 40, at minimum?
Let's be generous and say it's been replaced with the cheapest possible mass produced bullshit available in rurality within the past 20, okay? That's probably actually better than whatever his landlord has installed, given the bullshittery they tolerate.
5-ish inches over 60 inches tall puts him 64-66 inches tall, that'd be 5'4-5'6.
Also, just for funsies, I rewatched the video and theres a couple of shots of him "in the closet" (I swear this isn't a joke about faggotry), but his belt in the video is just about the same height as the doorknob when he steps out of the closet. Average height of a door knob for housing of his era is around 34 inches.... guess where that puts his height?
If I were being generous, and caught a pic of him exiting a convenience store with the height sticker on the frame, I'd call him "maybe 5'8".
I would bet every dollar in my saving account Josh is not 5'6".
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Edited just to add this: IMDB says he's 5' flat. Are they reliable, probably not. I'm also not laughing at him but if that's your takeaway, okay. 
Please fuck off back to the beauty parlor with this dumb shit. Go hypothesize on the circumference of a fat woman
That's been done, check Chantal's thread bbydoll.