Title: Waltteri Immonen
Content:  Waltteri Immonen (born April 3, 1967 in Helsinki, Finland) is a retired professional ice hockey defenseman and former coach of SM-liiga team Jokerit.
Title: Waltteri Immonen
Content:  Immonen started his playing career in Helsingin Jokerit, an ice hockey team from Helsinki. Immonen played his first full season for Jokerit during the 1988–89 1. division league of ice hockey in Finland. Immonen led the defense of Jokerit and played alongside players like Teemu Selänne, Ari Sulander, Mika Strömberg. During the 1994–95 NHL lockout, he was joined by NHL-star Jari Kurri and, for the second time, Teemu Selänne. Immonen was appointed as the captain of Jokerit in the beginning of 1991–92 SM-liiga season by then head coach Boris Majorov. Immonen won the SM-liiga 4 times as the captain of Jokerit. He also won the 1995 European Cup with Jokerit. Immonen retired after 1998–99 SM-liiga season. Immonen's playing number 24 is currently retired by Jokerit in honour of his services as the longtime captain of the team.
Title: Waltteri Immonen
Content:  After retiring, Immonen became the team manager of Jokerit and, after Hannu Jortikka left, Immonen was named the new head coach of Jokerit. After a poor start, Immonen was fired from his position but remained in the club in the role of coach. Immonen was part of the Jokerit coaching staff until 2008, when he followed the departing Doug Shedden to Nationalliga A team EV Zug where he started out as an assistant coach to Shedden.
Title: Santeri Immonen
Content:  Santeri Immonen (born July 29, 1972) is a Finnish former professional ice hockey defenceman. He is currently the head coach of RoKi of Mestis. Immonen played in the SM-liiga for Jokerit, Ässät and KalPa, playing 237 regular seasons in total between 1994 and 2000. He also played in the British Ice Hockey Superleague for the Newcastle Jesters, the Swedish HockeyAllsvenskan for IK Nyköpings and the French Ligue Magnus for Pingouins de Morzine-Avoriaz Bisons de Neuilly-sur-Marne. In 2018, Immonen became head coach of Mestis side RoKi.
Title: Immonen
Content: Riitta Immonen (1918–2008), Finnish fashion artist and entrepreneur ; Antero Immonen (born 1935), Finnish ski jumper ; Waltteri Immonen (born 1967), Finnish ice hockey defenseman and coach ; Janne Immonen (born 1968), Finnish cross country skier ; Mika Immonen (born 1972), Finnish pool player ; Riku Immonen (born 1974), Finnish Muay Thai kickboxer and coach ; Jukka Immonen (born 1978), Finnish musician, record producer and composer ; Jarkko Immonen (born 1982), Finnish ice hockey player ; Jarkko Immonen (ice hockey, born 1984), Finnish ice hockey player ; Lotta Immonen (born 1996), Finnish curler ; Olli Immonen (born 1986), member of the Finnish Parliament ; Kaarina Immonen, Finnish United Nations official ; Kathryn Immonen, Canadian comic book and webcomic writer ; Stuart Immonen, Canadian comic book artist Immonen is a Finnish surname, most prevalent in Kainuu. Notable people with the surname include: 
Title: Mika Immonen
Content:  Mika Immonen (born 17 December 1972) is a Finnish professional Hall of Fame pool player, nicknamed "The Iceman."
Title: Jarkko Immonen (ice hockey, born 1984)
Content:  Jarkko Antero Immonen (born January 18, 1984) is a Finnish professional ice hockey forward who is playing for HKm Zvolen in Slovakia. He was selected by the Dallas Stars in the 4th round (110th overall) of the  2002 NHL Entry Draft. Midway through the 2010–11 season, on January 28, 2011, Immonen transferred from his first SM-lliga club, the Espoo Blues, to the Pelicans and signed an addition one-year contract. In the following 2011–12 season, Immonen enjoyed his most successful season win the SM-liiga since 2008, scoring 32 points in 59 games to help the Pelicans reach the finals. On May 3, 2012, he was re-signed to a two-year extension with the Pelicans.
Title: Antero Immonen
Content:  Antero Immonen (born 15 December 1935) is a Finnish ski jumper. He competed in the normal hill and large hill events at the 1964 Winter Olympics.
Title: Jarkko Immonen
Content:  Immonen made his debut in Finland's second-tier league Mestis with TuTo Hockey during the 2000–01 season. For the following year, he joined Ässät of the country's top-tier Liiga. He then signed with fellow Liiga side JYP Jyväskylä in 2002 and remained three years at the club. Immonen was drafted by the Toronto Maple Leafs in the 2002 NHL Entry Draft as their eighth round pick, 254th overall. On March 3, 2004, Immonen was traded by the Maple Leafs to the New York Rangers as part of the Brian Leetch trade. He made his NHL debut for the Rangers during the 2005–06 season. In the course of his two-year stint with the Rangers, he played a total of 20 games in the NHL and mostly gained playing time in the American Hockey League (AHL) with the Hartford Wolf Pack. In his 141 AHL contests played, he scored 54 
Title: Lotta Immonen
Content:  Lotta Immonen (born 22 March 1996) is a Finnish curler. She is a two-time Finnish women's champion (2018, 2019).

Question: What sport does Waltteri Immonen play?
Answer: ice hockey.