A subtitle/dub-corpus surname transliteration. The
夫 (fū) suffix is the standard way Chinese renders Russian "-ov / -ev / -off" endings (compare
罗曼诺夫 Romanov,
戈尔巴乔夫 Gorbachev).
默 (mò) supplies the "M-" sound,
特 (tè) the "t" — so the source name reads roughly "Mot-ev/Mott-ef".