Tymchenko
Tymchenko is a Ukrainian surname. It is a transliteration of the Ukrainian surname Тимченко. Surnames in this style are generally patronymic, deriving from a given name. In this case, it is likely derived from the given name Tymofiy (Timothy) or a related variant. The suffix "-enko" is a common Ukrainian suffix indicating "son of" or "descendant of." Therefore, Tymchenko roughly translates to "son of Tymofiy." The surname is found primarily in Ukraine and among Ukrainian diaspora communities. Variations in spelling may occur due to different transliteration systems.