Mari Shimizu
... that Mari Shimizu is nicknamed the "mother of voice actors" in Japan?
... that <b id="mwBUw"><a href="./Mari_Shimizu" id="mwBU0" rel="mw:WikiLink" title="Mari Shimizu">Mari Shimizu</a></b> is nicknamed the "mother of <a href="./Voice_acting_in_Japan" id="mwBU4" rel="mw:WikiLink" title="Voice acting in Japan">voice actors</a>" in Japan?