凯蒂·法尔威兹 transliterates a foreign name. 凯蒂 (Kǎidì) is the standard mapping of 'Katie' / 'Kitty' (also seen as 凯蒂猫 = Hello Kitty). 法尔威兹 maps a surname like 'Farwitz' or 'Falwitz' — 法 'Far/Fa', 尔 the standard '-r' filler, 威 'wi', 兹 'tz/z'.
memory
The interpunct · marks the boundary between given name and surname for foreign names. Read 凯蒂 as one English-style given name 'Katie', then 法尔威兹 as one Western-style surname.