The Diesel (sometimes referred to as Devious Diesel) is a main antagonist in Thomas & Friends, first appearing as a brief cameo in the episode "Percy Takes the Plunge," and made a major appearance in "Pop Goes the Diesel."
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The Diesel (sometimes referred to as Devious Diesel) is a main antagonist in Thomas & Friends, first appearing as a brief cameo in the episode "Percy Takes the Plunge," and made a major appearance in "Pop Goes the Diesel."