Yuri Petrov's mother.  ~!It is revealed in episode 16, that in the past, she was often physically abused by Mr. Legend in a drunken fury, due to his inability to cope with his declining powers. However, this eventually stopped when Yuri burnt his own father to death in an attempt to save her from being harmed. This also lead to Olga greatly resenting her own son for the death of her husband.!~  (source: Wikipedia)

Sternbild City is home to people called "Next," who use their special abilities to protect the people as superheroes. These heroes solve cases and save lives so they can wear sponsor logos or acquire "hero points." Their activities are documented on the popular program "Hero TV," which picks the "King of Heroes" in a yearly ranking. The veteran hero Wild Tiger has always preferred to work alone, but now he's been assigned the rookie Barnaby Brooks Jr., who has a different perspective on being a superhero.<br><br>
(Source: Anime News Network) 

She is married to fellow voice actor [Keisuke Ishida](https://anilist.co/staff/104822). 

The second half of <i>Tiger & Bunny 2<i>.