What is the widest overworld sprite for a Pokemon in hgss?

Question

In hgss the Pokemon in the first slot follows you

Comments

Why does this matter at all?

Answer 1

The widest sprite (facing front) is Regigigas being 48 pixels wide.

Comments

How do you know there aren't any wider sprites?

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I just put the biggest and longest sprites in the game on top of each other (and centered) in MS Paint and Regigigas turned out to be the widest :P

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Where did you get the sprites?

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The Spriters Resource. :/

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Honestly, I hate how small is Regigigas's overworld sprite in HGSS compared to DPPt Regigigas's overworld sprite.
https://i.ibb.co/6YFmYk3/Regigigas.png