The most difficult Americans riddles A list of Americans related questions that are most often answered incorrectly Culture quiz What is Iggy Pop's real name?James Newell Osterberg. Iggy Pop's father, who was of Irish and English descent, was adopted by a Swedish American family and took on their surname (Österberg).hard 40% Iggy PoppiousIggy Poppious11%Ingmar PoppensteinIngmar Poppenstein22%Frank ZimmermannFrank Zimmermann25%James Newell OsterbergJames Newell Osterberg40%Created by: globalquiz.org. Statistics based on 9147 answers in 3 languages »singers riddles » Which famous person was a genuine black belt in karate?Elvis Presley. Presley was introduced to karate by The Army, during his service in Germany. He included some karate moves in his live performances.hard 40% John LennonJohn Lennon17%Jimi HendrixJimi Hendrix22%Elvis PresleyElvis Presley40%Mahatma GandhiMahatma Gandhi19%Created by: globalquiz.org. Statistics based on 12474 answers in 5 languages »musicians riddles » Who is that?Louis Armstrong. Armstrong experienced growing problems with his lips and fingers, which were aggravated by his unorthodox playing style. As a result he branched out trumpeting, developing his vocal style and making movie and radio appearances.hard 49% Mike TysonMike Tyson19%Nelson MandelaNelson Mandela14%Louis ArmstrongLouis Armstrong49%Martin Luther KingMartin Luther King16%Created by: Kasia. Statistics based on 11802 answers in 3 languages »face riddles » How did John Davidson Rockefeller get rich?In the oil industry. John Davison Rockefeller was the founder of the Standard Oil Company, which dominated the oil industry in the U.S. As kerosene and gasoline grew in importance, Rockefeller's wealth soared, and he became the world's richest man and first American worth more than a billion dollars.hard 52% in the oil industryin the oil industry52%by selling supplies to the armyby selling supplies to the army14%by mining diamonds and goldby mining diamonds and gold10%by building railroadsby building railroads22%Created by: globalquiz.org. Statistics based on 17895 answers in 2 languages »industry riddles » How many families in the US history had a father and a son on the position of the president?Two. These families are Bush (George H.W. and George W.) and Adams (John and John Quincy).hard 54% nonenone9%oneone24%twotwo54%threethree11%Created by: Kasia. Statistics based on 16621 answers in 3 languages »presidents riddles » Play culture quiz and see all the questions.