Kristoff (Frozen) Kristoff (Frozen) Kristoff Bjorgman is a fictional character who appears in Walt Disney Animation Studios' 53rd animated feature "Frozen" (2013). He is voiced primarily by actor Jonathan Groff. Kristoff is a Sami iceman living together with his reindeer companion Sven. Albeit preferring a solitary life, he helps Princess Anna of Arendelle to find her older sister Elsa in the North Mountain. In the early development, Kristoff was originally Kai as in Hans Christian Andersen's "The Snow Queen", but later he was designed as combination of Kai and the robber girl. He is primarily voiced by Jonathan Groff. Kristoff is tall,
Frozen Fever Frozen Fever Frozen Fever is a 2015 American computer-animated musical fantasy short film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. It is a sequel to the 2013 feature film "Frozen", and tells the story of Anna's birthday party given by Elsa with the help of Kristoff, Sven, and Olaf. Chris Buck and Jennifer Lee again served as the directors with Kristen Bell, Idina Menzel, Jonathan Groff, and Josh Gad reprising their roles from the first film. Production on "Frozen Fever" began in June 2014 and took six months to complete. The film debuted in theaters