In the entire world, Franku (フランク 
, Franku 
) is a rare masculine forename. The first name Franku is characteristic of Japan, where it is a rare boy's name, and India, where it is an extremely rare boy's name. Likewise, Franku is the last name as well as the forename.
Franku is also a prevalent name for the fictitious and mythical characters: Frank Underwood , the fictional character from House of Cards; Frank Pembleton , the fictional homicide detective, Law & Order; Frank Longbottom , character in Harry Potter and the Order of the Phoenix; Columbo , the fictitious character in eponymous American TV detective crime drama series, Columbo and Gray Fox , the fictional character in the Metal Gear series, and in many other works.