Takayama is best known for her roles in Detective Conan as Conan Edogawa, Kiki's Delivery Service as both Kiki and Ursula, Ranma ½ as Nabiki Tendo, Moomin as Moomin, Yaiba as Yaiba Kurogane, Shaman King as Hao Asakura, Nintama Rantarō as Rantarō Inadera, Danganronpa series as Hajime Hinata/Izuru Kamukura, Fullmetal Alchemist: Brotherhood as Envy, and Honkai Impact 3rd as Fu Hua.
[2] In reality, however, Takayama's parents wanted her to enter the entertainment industry, and she felt as if she was being forced to follow the rails laid out for her, and the ventriloquism was just a reason for her to study acting, not something she came up with.
[9] Initially, Takayama auditioned for the role of the heroine, but even though she tried to read the lines in a cute way, she was told by different sound directors to "be more like a girl."
[6] Despite this, there was a time when the only regular role she played was Nabiki Tendo in the Ranma ½ series, which depressed her, but she pulled herself together and started working part-time in her neighborhood.
In the 81st episode of Detective Conan (broadcast on November 17, 1997), she appeared as a character with Shiina Nagano as TWO-MIX themselves, and also sang the opening theme song for the anime.
[10] In addition, in 2005, she brought in Joe Rinoie to work on the theme song for the anime Engage Planet Kiss Dum in 2007 as the unit II MIX⊿DELTA.
[14] However, their relationship as "the author of the original story of Detective Conan and the lead voice actress" has continued to be good, and they are not estranged even now.