There is a couple main characters inn warriors, and some of them are...
Firestar
Bluestar
Greystripe
Sandstorm
Tigerstar
Tawnypelt
Crowfeather
Feathertail
Stormfur
Brambleclaw
Squirrelflight
Leafpool
Hollyleaf
Jayfeather
Lionblaze --------------------------------------------------------------------------------------------
In the orgiinal seires it is Firestar
In the new prophecy it is Brambleclaw, Squirrelflight, and Leafpool
In the power of three it is Jayfeather, Hollyleaf, and Lionblaze
In Omen of stars it is Dovepaw and Ivypaw
Firestar.
Graystripe.
Scourge. (Tiny)
Neytiri is the main female character in Avatar. She is the cheif's daughter, and is the Navi woman Jake Sully (main male character) falls in love with.
Firepaw/Fireheart/Firestar is the main character for a while.
Dovepaw Ivypaw Jayfeather Lionblaze
The main characters are Hollypaw, Jaypaw, and Lionpaw.
Rusty but when he joins Thunderclan he becomes Firepaw
"Dawn Warriors" by Brandon Mull features a character named Cole Randolph on the cover. Cole is one of the main protagonists in the Spirit Animals series, of which "Dawn Warriors" is a part.
He was the main character in the whole first arc, and in his Super Edition "Firestar's Quest".
The cat on the cover of "Eclipse" in the "Warriors" series is Crowfeather, a sleek black tom with blue eyes. He is a main character in the series and part of ThunderClan.
The Four Warriors of Light. Square wanted to concentrate on storyline so made them anonymous avatars of yourself.