You know, Pauline Stoker once called Bertie "Colonel" in Thank You, Jeeves. I don't know if it was a pet name, the 1930s American equivalent of "guv'nor" or what have you, or an actual military title, but upon meeting Bertie at Steeple Bumpleigh, she says:
'Well, well, well! Old Colonel Wooster in person! Fancy finding you here, Bertie! I called you up in London, but they told me you had left.'
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'Well, well, well! Old Colonel Wooster in person! Fancy finding you here, Bertie! I called you up in London, but they told me you had left.'