[[Dr. Ratio (honkai:_star_rail)|]] as seen in his Nameless Honor profile picture.
h4. External links
* "Honkai: Star Rail Fandom Wiki - Dr. Ratio: Academia (Profile Picture)":[https://honkai-star-rail.fandom.com/wiki/Dr._Ratio:_Academia_(Profile_Picture)]
dr. ratio (academia) (honkai: star rail)