While bosses were a highlight of Sonic Frontiers, none of them had personalities. They weren't memorable villains; just machines. Shadow's boss fights are full of fan-favourites and they each have Skin Mods on par with the MC himself! Let's go over the best ones.
Mods:
Titan Metal Overlord - https://gamebanana.com/mods/552643
Oni Mephiles - https://gamebanana.com/mods/564913
Chomps - https://gamebanana.com/mods/567969
Jolly Biolizard - https://gamebanana.com/mods/561093
Customizable Boss Voices (Trashed) - https://gamebanana.com/mods/553790
Dream Team Shadow - https://gamebanana.com/mods/563725
Warrior Shadow - https://gamebanana.com/mods/554088
3DS Shadow - https://gamebanana.com/mods/560387
Minecraft Shadow - https://gamebanana.com/mods/566725
Devtools (Photo Mode) - https://gamebanana.com/tools/18327
Modding playlist: https://youtube.com/playlist?list=PL2DwAmgze7gpZBb4EMgkT48JN_J_EiVvl&si=XQrOZqD0K-Hsm8ht
Soundtrack:
Jeh Jeh Rocket (Blazy Mix) - Sonic Rush
Dragon Road (Night) - Sonic Unleashed