juhani jorma kalervo "juuso" wahlsten (13 january 1938 – 9 june 2019) was a finnish professional ice hockey player. he was born in helsinki. he played in the sm-sarja, the top level of ice hockey in finland. he played for kalpa, ilves, hjk and tps. he also represented finland at three winter olympics (1960, 1964, 1968). he was added to the finnish hockey hall of fame in 1986.