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Damn. I spent half an hour searching through profiles, looking for a userbar with a phoenix (because I remembered seeing one). I found it. Turns out, it belonged to Kyle, who is no longer participating. And such a good clue was lost (actor River Phoenix played young Indiana Jones in the film "Indiana Jones and the Last Crusade," and Indy wore a hat similar to Theodore Roosevelt's).
Too bad.
I had another thought - maybe the cloak is a hint at Mr. Death? The role description says: "He misses his job very much, as he doesn't have the opportunity to do it here, but he will soon get that opportunity." Maybe this is a poetic description of death (first Tako, and then Linga)? No, no, that's nonsense, I know. Just a random thought.