yes,it is called the ten tailed jubi and tobi/madara/obito controlls it
It simply means "Nine tail".
Episode 41
Yes madara summon the kyubi during his battle of the 1st hokage . when adara unsealed the kyubi the kyubi beginning attacking konoha
Kyuubi or Kyubi is the nine tailed demon fox from Naruto; he (it) possesses Naruto himself. ^^
Yes He Does Get Control Of The Kyubi After He Meets His Mom Kushinawhich was the previous host
The cast of Kyubi no kitsune - 1912 includes: Matsunosuke Onoe
The cast of Kyubi no kitsune - 1922 includes: Shirogoro Sawamura
The cast of Kyubi no kitsune to Tobimaru - 1968 includes: Emiko Azuma
yeah probably
As of the moment, yes.
Uzumaki Kushina was the second host of the Kyubi. So yes, the kyubi was sealed within her until after Naruto was born.
Naruto transformed into the Kyubi when Jaraiya undid the seal, a little, to try and help Naruto get control over the beast.