Mayumi has done the following roles in anime.

3x3 Eyes [1991-1992]	Mei Xing
Area 88	young Kanzaki Satoru
Arion	Seneca
Chuuka Ichiban! [1997-1998]	Mao
Cool Cool Bye	Flene
Dash Kappei	Kappei
Dragonball	Kuririn
Dragonball	Yajirobe
Dragonball GT	Suuho Gorou
Dragonball Kai [2009-2010]	Kuririn
Dragonball Z	Kuririn
Dragonball Z	Yajirobe
Fire Tripper	Shuhe
Gekisou Rubenkaiser [debut]	Takagi Ryouko
Giant Gorg	Yuu
Ginga Tetsudou no yoru (Night on the Galactic Railroad)	Giovanni
Hanada Shounenshi	?
Jankenman	Atchimuitehoihoi
Jungle Wars [1991]	?
Juushin Ryger	Daiga Ken
Kaze no Matasaburou	Takada Saburou
Laputa	Pazu
Lucky-man	Lucky-man
Marude Dameo	Boro
Master of Epic -The Animation Age [2007]	Elmoni (male)
Mojakou	Mojara
Nintama Rantarou	Kirimaru
One Piece [1999-]	Ruffi
Orokana Tenshi ha Akuma to Odoru [2024]	Chum
Osomatsu-kun	Chibita
Papuwa-kun	Papuwa
Rurouni Kenshin -Meiji Kenkaku Romantan-	Tsukayama Yutarou
Sailor Moon {Episode 143}	Robert
Sakura Taisen	Kirishima Kanna
Sakura Taisen The Movie [2001]	Kirishima Kanna
Sasuga no Sarutobi	Ninja Pig
Shishunki Bishoujo Gattai Robo Z-Mind	Umeno
Three Musketeers	Jean
Toriko [2011-2013] {Episode 99}	Lufi
Toriko [2011-2013] {Episode 99}	Kuririn
Twinbee Paradise	Twinbee
Urashiman	Jitanda
Urusei Yatsura	Fujinami Ryuunosuke
Wataru	Ikusabe Wataru
Wonderbeat S	Susumu
YAT Anshin! Uchuu Ryokou 2 [1998]	John
Yuuyuu Hakusho	Koenma