encoeur89: https://www.youtube.com/user/megatfreak/videos
WrynnSenpai: https://www.youtube.com/user/InkyPony/videos
Kuja Pennell: https://www.youtube.com/user/theentityofsadness/videos
https://www.youtube.com/watch?v=4X35OytRAs0
https://www.youtube.com/user/buc555/videos
https://www.youtube.com/user/mikaLtubeyou/videos
https://www.youtube.com/user/JPisaBrony/videos
https://www.youtube.com/user/Piedoom0/videos (there is already a "doomy" in the quickchive but this one seems different, note that some videos do not look pony but in fact are https://immolation.forumotion.com/)
https://www.youtube.com/user/DarthEquus/videos (archive appears to have 19/21 saved)
Ponyslivenow: https://www.youtube.com/watch?v=QiXWjIGuWzk https://www.youtube.com/watch?v=r4ycvicKk_c https://www.youtube.com/watch?v=g_BG4dmWnyQ https://www.youtube.com/watch?v=XYenXx6u1Fo https://www.youtube.com/watch?v=DRnclfgkZnM https://www.youtube.com/watch?v=MvpoUevrCFE https://www.youtube.com/watch?v=5GyW0E-GR4o https://www.youtube.com/watch?v=YWJusmzUcVY https://www.youtube.com/watch?v=TjpKpmnLntw https://www.youtube.com/watch?v=8VSrISt0qME https://www.youtube.com/watch?v=O7RmixHoAjA https://www.youtube.com/watch?v=Sk0bnzHEhuA https://www.youtube.com/watch?v=X-RYZaCW_A8 https://www.youtube.com/watch?v=Nh6B31DJro8 (= everything that at least superficially has ponies in it)
ReignOfComputer: https://www.youtube.com/watch?v=OljNkWWPFb8 https://www.youtube.com/watch?v=dyVFsKNEit8
Nnn0p3: https://www.youtube.com/user/Nnn0p3/videos
Sylverstone Khandr: https://www.youtube.com/watch?v=-DiZxKJrbxE https://www.youtube.com/watch?v=yaoAGLRdbZs https://www.youtube.com/watch?v=8gcZkPm_YkU https://www.youtube.com/watch?v=eFweIZQ-tsg https://www.youtube.com/watch?v=gK26uDdOn08 https://www.youtube.com/watch?v=9FJ2Vy1t4iI https://www.youtube.com/watch?v=K5Lh_sw0KTI https://www.youtube.com/watch?v=7cDRgF_IR4w
UNLISTED EquestrianDreamers: https://www.youtube.com/watch?v=z0Wx4mfWuMQ https://www.youtube.com/watch?v=TBA0yzEH9Eo https://www.youtube.com/watch?v=GMPk-W5S0QM https://www.youtube.com/watch?v=-UxSoePqUo0
TheAnthonyChan0: https://www.youtube.com/user/TheAnthonyChan0/videos (there is already a ton of this guy archived, but not everything e.g. https://www.youtube.com/watch?v=3LLlsCCYjTY)
blitzprog: https://www.youtube.com/user/blitzprog/videos
TheLunaGame5: https://www.youtube.com/watch?v=1r61VLfz4Sk
Zilven / Fluttershy77: https://www.youtube.com/user/Fluttershy77/videos
Dddowney: https://www.youtube.com/watch?v=B_0YyqPogSc https://www.youtube.com/watch?v=rRO8EojcBfw https://www.youtube.com/watch?v=FhpsrgQsfuQ
TehFr33Fan: https://www.youtube.com/user/TehFr33Man/videos
Dev Meltus / DevMeltus: https://www.youtube.com/user/DevMeltus/videos
x.akifox / CKittyKat98: https://www.youtube.com/user/CKittyKat98/videos
UNLISTED: Hikouma: https://www.youtube.com/watch?v=C6AnhxSfRpM https://www.youtube.com/watch?v=f2OK5Ufprew https://www.youtube.com/watch?v=K9J7FZEE2q0 https://www.youtube.com/watch?v=7qcOThoBHCI https://www.youtube.com/watch?v=8vAzrqpzNMU https://www.youtube.com/watch?v=Gg8vnuJHbBY 
LayaVulpes: https://www.youtube.com/c/LayaVulpes/videos
Ben Mendelsohn / ninjainthebasement https://www.youtube.com/user/ninjainthebasement/videos
Thrillkillr: https://www.youtube.com/watch?v=ZxousKNaZJc (I don't think anyone cares about this but pony is pony)
StableSoftworks: https://www.youtube.com/user/StableSoftworks/videos
bahatumay: https://www.youtube.com/c/bahatumay/videos
Okamikurainya: https://www.youtube.com/watch?v=8mqP0QSOalU https://www.youtube.com/watch?v=GYLdtujUw0w https://www.youtube.com/watch?v=guGSCYWMEp8 https://www.youtube.com/watch?v=O92Zf8BkX9Y https://www.youtube.com/watch?v=7qViizkDDF8 https://www.youtube.com/watch?v=oKM-UZW7FSw https://www.youtube.com/watch?v=TXXBLtF9rgY https://www.youtube.com/watch?v=nO30sVXvmVc https://www.youtube.com/watch?v=w5X0DQV4gKM https://www.youtube.com/watch?v=nLLIYqpA-8c https://www.youtube.com/watch?v=MLidJEdvUcM https://www.youtube.com/watch?v=6j-ClSI2mto https://www.youtube.com/watch?v=udhWg3kZO5c https://www.youtube.com/watch?v=tNvbvLPUjZU https://www.youtube.com/watch?v=ODoySXtN26U https://www.youtube.com/watch?v=MvX6POCc1b4 https://www.youtube.com/watch?v=Co0eVmN5BYI https://www.youtube.com/watch?v=FTuvD-p9214
Khao Mortadios / KhaoMortadios: https://www.youtube.com/c/KhaoMortadios/videos
Petr Hudeček / AlHashify https://www.youtube.com/user/Alhashify/videos
Jach Marsdonpone: https://www.youtube.com/channel/UCodhlAabLLJHV0iZHSAcdvQ/videos
UNLISTED ChurchCrusade: https://www.youtube.com/watch?v=zenycGk_SYs
HeliosBurner: https://www.youtube.com/watch?v=YHNcc6-OBiE
Felix Martin: https://www.youtube.com/watch?v=SVAiNMFAVpY
spikesquest: https://www.youtube.com/user/spikesquest/videos
EquiDev: https://www.youtube.com/watch?v=BzIDypknDk4 https://www.youtube.com/watch?v=LDx4tYjNqfk https://www.youtube.com/watch?v=CByPNpRQB4w
Flare / hopeabandoner: https://www.youtube.com/c/hopeabandoner/videos
JR6355: https://www.youtube.com/user/JR6355/videos
Silent Ponyville: Echoed Sorrows / SilentPonyville: https://www.youtube.com/user/SilentPonyville/videos
A Little Bit Different: https://www.youtube.com/watch?v=y6OxJg8ddRI
Mr Crazy: https://www.youtube.com/channel/UCg9HQg6MKybwgvpnUeNoEkA/videos