Noun
An imaginary spirit of the waters, horselike in form, vulgarly believed to warn, by preternatural noises and lights, those who are to be drowned.
Source: Webster's dictionaryIt is revealed that Max's virus is gone, the most likely explanation being that when the virus killed Kelpy it went dormant as it believed its mission to kill Logan was accomplished. Source: Internet
When Kelpy takes on Logan's form he is killed by the virus Max carries which was designed to kill Logan. Source: Internet