Melody Pond (The Impossible Astronaut)
<img data-rte-meta="%7B%22type%22%3A%22double-brackets%22%2C%22lineStart%22%3A%22%22%2C%22title%22%3A%22Infobox%20Individual%20%22%2C%22placeholder%22%3A1%2C%22wikitext%22%3A%22%7B%7BInfobox%20Individual%20%7Cimage%3D%5B%5Bfile%3AThe%20Astronaut.jpg%7C250px%5D%5D%20%7Cindividual%20name%3D%20Unnamed%20girl%20%7Calias%3D%20%7Crace%3D%5B%5BHuman%5D%5D%20%7Chome%20planet%3D%5B%5BEarth%5D%5D%20%7Chome%20era%3D%5B%5B20th%20century%5D%5D%20%7Cappearances%3D%5B%5BDW%5D%5D%3A%20%27%27%5B%5BThe%20Impossible%20Astronaut%5D%5D%27%27%20%7Cactor%3D%5B%5BSydney%20Wade%5D%5D%20%7D%7D%22%7D" class="placeholder placeholder-double-brackets" src="http://images1.wikia.nocookie.net/__cb36434/common/skins/common/blank.gif" type="double-brackets" /><img data-rte-meta="%7B%22type%22%3A%22double-brackets%22%2C%22lineStart%22%3A%22%22%2C%22title%22%3A%22character%20stub%22%2C%22placeholder%22%3A1%2C%22wikitext%22%3A%22%7B%7Bcharacter%20stub%7D%7D%22%7D" class="placeholder placeholder-double-brackets" src="http://images1.wikia.nocookie.net/__cb36434/common/skins/common/blank.gif" type="double-brackets" /><img data-rte-meta="%7B%22type%22%3A%22double-brackets%22%2C%22lineStart%22%3A%22%22%2C%22title%22%3A%22Protect%22%2C%22placeholder%22%3A1%2C%22wikitext%22%3A%22%7B%7BProtect%7D%7D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" class="placeholder placeholder-double-brackets" src="http://images1.wikia.nocookie.net/__cb36434/common/skins/common/blank.gif" type="double-brackets" /> This girl contacted <a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22Richard%20Nixon%22%2C%22link%22%3A%22Richard%20Nixon%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BRichard%20Nixon%5D%5D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" href="/wiki/Richard_Nixon" title="Richard Nixon">Richard Nixon</a> for assistance, but he did not know who was calling him. She told him about the "<a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22Monsters%22%2C%22link%22%3A%22the%20Silence%22%2C%22wasblank%22%3Afalse%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5Bthe%20Silence%7CMonsters%5D%5D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" href="/wiki/The_Silence" title="The Silence">Monsters</a>", and how she feared them. She told Nixon the words "Jefferson Adams Hamilton", leading Nixon to believe she was a boy, but the <a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22Eleventh%20Doctor%22%2C%22link%22%3A%22Eleventh%20Doctor%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BEleventh%20Doctor%5D%5D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" href="/wiki/Eleventh_Doctor" title="Eleventh Doctor">Eleventh Doctor</a> helped them to discover that these were the names of street names, the only three in the same place together in Florida, and probably all of America, according street names and the only place these were together was <a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22Florida%22%2C%22link%22%3A%22Florida%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BFlorida%5D%5D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" href="/wiki/Florida" title="Florida">Florida</a>. (<a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22DW%22%2C%22link%22%3A%22DW%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BDW%5D%5D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" href="/wiki/DW" title="DW">DW</a>: <a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22The%20Impossible%20Astronaut%22%2C%22link%22%3A%22The%20Impossible%20Astronaut%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BThe%20Impossible%20Astronaut%5D%5D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" href="/wiki/The_Impossible_Astronaut" title="The Impossible Astronaut">The Impossible Astronaut</a>)
It is revealed she called President Nixon using a device in the specialy modified life suport system/spacesuit that calls the most important person on the planet directly.
Six months after escaping from the Silence, the girl talked to a homeless man in an alley and told him that she was dying. The girl then said that she had a way of fixing that and then the girl then regenerated. (<a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22DW%22%2C%22link%22%3A%22DW%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BDW%5D%5D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" href="/wiki/DW" title="DW">DW</a>: <a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22Day%20of%20the%20Moon%22%2C%22link%22%3A%22Day%20of%20the%20Moon%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BDay%20of%20the%20Moon%5D%5D%22%7D" data-rte-instance="125-729929584dbc4fcd5993c" href="/wiki/Day_of_the_Moon" title="Day of the Moon">Day of the Moon</a>)
It is unknown if she is the same person in the spacesuit who kills The Doctor in 2011.