Grzegorz Kwiecień (born 1986) is a Polish voice actor who provided voices in the Polish narration of Thomas and Friends.

He is best known for voicing Wheeljack from "Transformers: Prime", the original voice of Big McIntosh from "My Little Pony: Friendship is Magic", Marvin the Martian from "The Looney Tunes Show", and Hans from Disney's "Frozen".


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