Sergey Petrosyan
Sergey Petrosyan(( June 7, 1988 – July 26, 2017) was an Azerbaijani- Russian weightlifter of Armenian descent.
Petrosyan participated in the European Weightlifting Championships of 2007 and 2008, and won gold in both years.
Armin Maiwald
Armin Maiwald, born 23 January 1940 in Cologne, is a German author, television director and producer.
Maiwald is one of the founders of the award- winning German children's television program," Die Sendung mit der Maus".
Often just called" Die Maus The Mouse"), the program has been on the air since March 1971 and is one of the most successful children's television programs ever produced.
Maiwald has won over 50 awards for his work.
Fernando Báez (weightlifter)
Fernando Luis Báez Cruz( born) is a Puerto Rican male former weightlifter, who competed in the 56 kg category and represented Puerto Rico at international competitions.
He won the bronze medal in the press at the 1969 World Weightlifting Championships lifting 115.0 kg.
He participated at the 1972 Summer Olympics in the 56 kg event.
He set four bantamweight press world records.
Leonidas Kokas
Leonidas Kokas( birth name:" Lorenc Goga";; born 3 June 1973) is a former Albanian weightlifter of Greek citizenship.
His highest distinction was winning the silver medal in the 1996 Atlanta Olympic Games.
He competed in the 94 kg category.
S. G. Sethuraman
S.G.Sethuraman( Jun 1924 – Nov 2019) was a famous weightlifter of India.
Svetlana Podobedova
Svetlana Podobedova( born May 25, 1986, Zima, Irkutsk) is a Kazakh weightlifter of Russian descent.
David Bedzhanyan
David Isakovich Bedzhanyan( born 6 September 1988) is a Russian weightlifter of Armenian descent.
Bedzhanyan won two gold medals at the 2012 and 2013 European Weightlifting Championships.
Khadzhimurat Akkayev
Khadzhimurat Magomedovich Akkaev( born March 27, 1985 in Tyrnyauz, Kabardino- Balkaria) is a Russian weightlifter of Balkar descent.
Marcel Paterni
Marcel Paterni( September 22, 1936) is a former French weightlifter of the 1950s and 1960s, who was dubbed" the French strongman of the Gaullian era" by European expert in heavy athletics Emmanuel Legeard.
Norair Nurikyan
Norair Nurikyan( born July 26, 1948) was a Bulgarian weightlifter of Armenian descent.
He is a two- time Olympic Champion and was awarded the Hero of Socialist Labor of Bulgaria and Order of the Bulgaria, First Degree titles.
In 1994, Nurikyan was inducted into the International Weightlifting Federation Hall of Fame.

Question: Are Armin Maiwald and Fernando Báez (Weightlifter) of the same nationality?
Answer: no