Rose to fame as a child by bringing life to Goby in the Nickelodeon animated series Bubble Guppies. He also voiced Franklin in 2015's The Peanuts Movie.
One of his first major roles was in 2012, playing the recurring character Yoda on the NBC series Guys with Kids.
In 2015, he portrayed the recurring guest role of Herman on the popular Disney Channel show Austin & Ally.
His full name is Marleik Mar Mar Walker.
Both he and Jacob Bertrand are voice actors for the Nickelodeon series Bubble Guppies.