Terraria Bosses in The Binding of Isaac Style by CookiieLove on Newgrounds

Reworked bosses (Binding of Isaac)

welcome home by travsaus on Newgrounds

Terraria Boss Video game Wikia, mechanical background, game, boss, video Game png

Isaac plays Terraria - Modding of Isaac

Steam Workshop::grayfruit themed cube of meat and ball of bandages

Bosses - Official Terraria Mods Wiki

Reworked bosses (Binding of Isaac)

isaac fanmade boss concept by Kalelcolunga on Newgrounds

Bosses - Official Terraria Mods Wiki

Bosses - Official Terraria Mods Wiki

Honestly looks like a Terraria x Binding of Isaac boss : r/bindingofisaac