We're actual characters who are summoners in the story, here. So sorry, I'm not including any of the characters in games with job systems :(
Rydia (FFIV)
http://lparchive.org/Final-Fantasy-I...fter_Rydia.png
Dagger (FFIX)
http://vignette2.wikia.nocookie.net/...20120804154714
Yuna (FFX)
http://vignette4.wikia.nocookie.net/...20110218191357