According to Leo's ending, Mr. Kliesen could still be alive. He is said to have gone missing on a journey when Leo was still a child, but Leo vowed to be just like him.
- Mr. Kliesen seems to be based on Indiana Jones.
- Both wear fedoras, wield pistols and bullwhips and are seen running from boulders, referencing a similar event in Raiders of the Lost Ark, which was the first movie that Harrison Ford starred in as Indiana Jones.
- Mr. Kliesen also saves Leo from falling through a wooden bridge, similar to the way Indiana Jones saves Short Round in The Temple of Doom, the second Indiana Jones film.
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