A main character in [[Steins;Gate]].

She has [[short_hair|short]] [[black hair]] and [[green_eyes|greenish]] [[blue eyes]].

She typically wears a [[short_dress|short]] [[blue dress]] with a [[blue_bow|blue]] [[dress_bow|bow]] and [[puffy short sleeves]], with [[denim shorts]] underneath. She also wears a [[blue_headwear|blue]] [[frilled hat]] with [[blue_bow|blue]] [[hat_bow|bows]].

In [[Steins;Gate 0]], she wears a [[white_headwear|white]] [[hat]] and a [[pink capelet]]. 

Also known as Mayushii (まゆしぃ).
Her catch phrase is Tutturu (トゥットゥル).
椎名まゆり まゆしぃ トゥットゥル