Why was Sonic The Hedgehog's original movie design changed?

When the first trailer for Sonic The Hedgehog was revealed in 2019, the internet erupted into disgust at his creepy new look, prompting a total redesign

Sonic the Hedgehog movie reveals less awful design

Sonic Movie design evolution chart - Images I compiled of ALL the

i think the original design for tails in the post credit scene of

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Sonic the Hedgehog's movie look is fixed following fan outcry