Silver Sonic: The Ugliest Robot (featuring @SurisVidya)
CYBONIC: The Sonic Boom Bot (featuring @ChannelPup)
BADNIK SONIC! | SonicSpeedReading (STC)
All-American Metal: The Saga of PSEUDO-SONIC!
Hyper Sonic
ソニックフロンティアの知られざる開発秘話
Evolution of All Mecha Sonic Boss Battles in Sonic the Hedgehog Games (1992-2017)
How Did Knuckles Beat Super Sonic?
How Tails could be Sonic's Greatest Enemy
The Many Mechas of Miles "Tails" Prower
Super Mecha Sonic Vs Silver Sonic And Silver Tails
The Extra Life Story ▸ Sonic's Evil 1-Up Clone