Here you go!
(Not my words taken from a source)
Rikki Tikki comes from his actions when he's fighting(rikki-tikk-tik) Rikki-tikki-tavi is a short story written by Rudyard Kipling and published in 1894 as part of the Jungle Book.
Hope this helped!
:)
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(i had to put it in a weird font cuz brainly keeps censoring me)
True lol I need more the 20 characters to answer