Sound-out:
米 (mǐ) → 'Mi-,'
罗 (luó) → '-lo-/-ro-,'
克 (kè) → '-k-,'
斯 (sī) → '-s/-x' (the all-purpose final-consonant filler). Together: 'Milox/Milocks/Mirox' — most often a character name in translated games, fiction, or subtitled films rather than a real person.