This William Karlsson vinyl figure is released by Funko in their POP! Hockey x NHL vinyl figure series.
Funko POP! is a crossover vinyl figure series by Funko and other famous franchises such as Disney, Pixar, DC Comics, Marvel Comics, Simpsons, South Park, Uglydoll, etc. Each POP! figure is about ~3" to ~5" tall and crafted in a Japanese anime/manga super-deformed style (NOTE: due to the unique design of each character, the actual size of the figures may be smaller or bigger than stated).
The POP! Hockey x NHL series features players or mascots from the NHL teams, such as the Dallas Stars, Pittsburgh Penguins, Blackhawks, NY Rangers, Oilers, Montreal Canadiens, Toronto Maple Leafs, Tampa Bay Lightning, Washington Capitals, etc.