Proxi

Proxi is a Fairy in. She accompanies Link and speaks on his behalf.

Biography
Proxi speaks on behalf of Link, hence her name. She meets Link in Hyrule Field during "The Armies of Ruins" Scenario while the Dark Forces are invading the kingdom, and accompanies him after he saves her from a horde of Bokoblins. In the Majora's Mask DLC, Proxi also speaks on behalf of Young Link with the same lines she says with Link.

Trivia

 * Proxi is likely based on Navi, given their strikingly similar appearance and role. They also both say "hey!," "look!," and "listen!".
 * Proxi's name comes from the word "proxy", meaning the authority to do something in another's behalf. Proxy takes the role of Navi in Hyrule Warriors, and also speaks on Link's behalf in battle.