Peter
Paul
John
Philip (at least the story of him baptizing the eunuch)
Martin Luther
John & Charles Wesley
Billy Graham
Martin Luther King Jr.
Jonathan Daniels
Desmond Ford
Fanny Crosby
Sundar Singh
Mother Teresa
St. Therese of Lisieux
Wilhelm Löhe
My uncle, who is an LCMS minister
There are plenty of others I could think of, but I'm not sure how they were particularly influential on my personal faith. And there are probably plenty of non-Christians I could add as well; for the purposes of this list, I only included people who actually were Christians.
Do Mormons count as Christians?
I would count them as Christians, albeit very heterodox.
