Greg Baldwin voiced the beloved Uncle Iroh for the final seasons of Avatar: The LastAirbender and for The Legend of Korra. He voiced Aku in the fifth season ofSamurai Jack.He can also be heard as the ancient Jedi Master Tera Sinube, Gwarm, andCassis on Star Wars: The Clone Wars. He provided the voice of multiple characters in Lego Star Wars: The Freemaker Adventures, most notably, the voice of Furlac.Baldwin voiced the iconic character Frank Fontaine in the original Bioshock. In addition, he voiced Proctor Teagan in Fallout 4 and Jack M. Crazyfish inSpongebob Squarepants.In the 2007 film TMNT,Baldwin performed a substantial portion, believed to be 90 percent of Splinter's dialogue in the movie after Mako died during production.