Otto Frank
Otto Frank (1889-1980) Entrepreneur 1
Otto Graham
Otto Graham (1921-2003) Football Player 2
Otto von Bismarck
Otto von Bismarck (1815-1898) Politician 3
Otto Porter
Otto Porter, 22 Basketball Player 4
Otto Knows
Otto Knows, 26 DJ 5
Otto Preminger
Otto Preminger (1905-1986) Director 6
Otto Perez Molina
Otto Perez Molina, 64 Politician 7
Otto Hahn
Otto Hahn (1879-1968) Scientist 8
Otto Waalkes
Otto Waalkes, 66 Comedian 9
Otto Dix
Otto Dix (1891-1969) Artist 10
Otto Klemperer
Otto Klemperer (1885-1973) Composer 11
Otto Lilienthal
Otto Lilienthal (1848-1896) Pilot 12
Otto Wichterle
Otto Wichterle (1913-1998) Entrepreneur 13
Otto Wilhelm Von Struve
Otto Wilhelm Von Struve (1819-1905) Scientist 14
Otto Nagel
Otto Nagel (1894-1967) Artist 15
Otto Rehhagel
Otto Rehhagel, 76 Coach 16
Otto Sverdrup
Otto Sverdrup (1854-1930) Explorer 17
Otto Blathy
Otto Blathy (1860-1939) Scientist 18
Otto Strandman
Otto Strandman (1875-1941) Politician 19
Otto Gunsche
Otto Gunsche (1917-2003) Other 20
Otto Wood
Otto Wood, 24 Drummer 21
Otto Carius
Otto Carius (1922-2015) Other 22
Otto Wallach
Otto Wallach (1847-1931) Scientist 23
Otto Mears
Otto Mears (1840-1931) Entrepreneur 24
Otto Von Guericke
Otto Von Guericke (1602-1686) Scientist 25
Otto Harbach
Otto Harbach (1873-1963) Songwriter 26
Otto Frederick Rohwedder
Otto Frederick Rohwedder (1880-1960) Entrepreneur 27
Otto Wanz
Otto Wanz, 72 Wrestler 28
Otto Liiv
Otto Liiv (1905-1942) Scientist 29
Otto Tief
Otto Tief (1889-1976) Politician 30
Otto Pius Hippius
Otto Pius Hippius (1826-1883) Architect 31

Ranked by popularity based on boosts and other user activity.