'Proteus' was an undercover Tal Shiar operative in the 24th century. The operative was known for disguising him/herself as members of other species. Proteus was undercover as an Andorian when an attempt was made on the life of Starfleet Captain Eliot Fanon, but managed to escape. Commander Doleo wrote a message to Admiral Elsa Keil regarding this incident. (Last Unicorn RPG module: A Fragile Peace)