Neo Metal Sonic by MetaRtpv on Newgrounds

Neo Metal Sonic I made with a few variants background made by @cursedgrits

Metal Sonic Kai by Snao on Newgrounds

Steam Workshop::COMM: Neo Metal Sonic [Ragdoll]

neo metal sonic sprite by bezf0cezf0 on Newgrounds

Undefeatable by MetaRtpv on Newgrounds

Sonic Picnic by DoodleBox on Newgrounds

Neo Metal Sonic by sammytighe on Newgrounds

sanstrongstyles

Neo Metal Sonic by MetaRtpv on Newgrounds

funny Australian possessed ghost man from the hit fighting games series guilty gear (Zappa) by MetaRtpv on Newgrounds

Neo the hedgehog (Neo Metal Sonic) by LeoPrimeX on Newgrounds

Glowing Metal Sonic by MrNormalDraws on Newgrounds

Sonic Picnic by DoodleBox on Newgrounds

preview by MetaRtpv on Newgrounds

Super Neo Metal Sonic by ScottTheMoody on Newgrounds

Metal Sonic+Neo form+ Overlord/madness form redesign by Cyberlord1109 : r/SonicTheHedgehog