
Michael Sinterniklaas
Biography
Michael Tremain Sinterniklaas (born August 13, 1972) is an American voice actor, ADR director and script writer who has provided voices for a number of English-language versions of Japanese anime films and television series, as well as video games and cartoons. He has worked for Studiopolis, Funimation, 4Kids Entertainment, Central Park Media, Bandai Entertainment, Viz Media and Media Blasters. He is the founder and owner of NYAV Post, a Bi-coastal studio located in New York City and Los Angeles, which dubbed many different anime titles and recorded several original prelay works. He is best known for his roles as Leonardo in 2003 series of Teenage Mutant Ninja Turtles and Dean Venture in The Venture Bros.
Also Known As
Movie Appearances

Turtles Forever
as Leonardo (voice)
2009
Once A Loser
as Cam Dean
2013

Flesh for the Beast
as Martin Shelley
2003

Answer This!
as Umlatt the Flunkie
2011
Friends: Dolphin Cruise
as Andrew (voice)
2013

Care Bears: Totally Sweet Adventures
as Funshine Bear (voice)
2013

Hanazuki: Full of Treasures
as Mazzadril / Orange Hemka / Pink Hemka
2017

Teenage Mutant Ninja Turtles: Cowabunga Christmas
as Leonardo (voice)
2015

The Fight for the Fox Box
as Leonardo (voice)
2003

The Venture Bros.: Radiant Is the Blood of the Baboon Heart
as Dean Venture (voice)
2023

Idiots and Angels
as Mystery Guy (voice)
2008

Care Bears: Bearied Treasure
as Funshine Bear(voice)
2012
TV Appearances

Speed Racer: The Next Generation
2008

Yasuke
as Iga General / Nobukatsu (voice)
2021

G.I. Joe: Sigma 6
2005

Hanazuki: Full of Treasures
as Purple Hemka
2017

Robotomy
2010

The Venture Bros.
as Dean Venture (voice)
2004

Teenage Mutant Ninja Turtles
as Leonardo (voice)
2003

Kappa Mikey
as Mikey Simon (voice)
2006

Care Bears: Welcome to Care-a-Lot
as Birthday Bear (voice)
2012

Care Bears: Welcome to Care-a-Lot
as Bedtime Bear (voice)
2012

Care Bears: Welcome to Care-a-Lot
as TV Announcer (voice)
2012

Care Bears: Welcome to Care-a-Lot
as Funshine Bear (voice)
2012