John L Sullivan
John Sullivan
Season 1, Episode 25
Vital statistics
Air date Unknown
Written by Unknown
Directed by Unknown
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Ponce De Leon Leonardo Da Vinci
John L. Sullivan is the 25th episode of Mr. Peabody and Sherman.


John Sullivan has a large mustache that is preventing him from competing in the boxing match.


  • Sullivan's mustache looks similar to Yosemite Sam's.

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