Touko Aoyama is a Japanese voice actress born in Tokyo on November 3, 1976. She is affiliated with the voice acting agency 81 Produce, a prominent company in the industry. Aoyama began her career in the 1990s and has built a extensive body of work across anime, video games, and foreign language dubbing.

Her career includes a wide variety of roles in anime television series. She is known for her long-running role as Sakuemon Tomimatsu in Nintama Rantarou. Other notable anime credits include Kenta Kitagawa in Digimon Tamers, the character Nasubi in the Hozuki's Coolheadedness series, and Boomer in Demashitaa! Powerpuff Girls Z. She also voiced the Principal in Hanamaru Kindergarten, Mishil in Pretty Rhythm Dear My Future, and Satoru in the animated film The Golden Laws, confirming the roles listed in the query. Her range extends to supporting roles in long-running franchises such as Gintama, Major, and Crayon Shin-chan.

Beyond television, Aoyama has contributed her voice to numerous animated films, including Digimon Tamers: Runaway Locomon, several Crayon Shin-chan movies, and the Major: Yūjō no Ikkū film. Her work in video games is also extensive, with roles in titles such as Valkyrie Profile 2: Silmeria, the.hack//G.U. series, Granblue Fantasy, and Danganronpa Another Episode: Ultra Despair Girls. Aoyama is also a prolific dubbing artist, providing Japanese voices for characters in foreign films and television series like Adventure Time, Steven Universe (as the voice of Amethyst), and ER.

Throughout her career, Aoyama has demonstrated versatility by voicing characters of different ages and genders, from young boys to adults and even whimsical creatures. Her musical talent has also been featured in some of her roles, where she has performed character songs.