Because he became leader of ShadowClan. When a clan leader receives his 9 lives from StarClan he takes the sub-name ---star to signify his leadership. So Tigerclaw would become Tigerstar, Leafwind would become Leafstar, etc.
Kit: Tigerkit Warrior-Apprentice: Tigerpaw Warrior: Tigerclaw Deputy: Tigerclaw Rogue: Tigerclaw Leader: Tigerstar MAIN: Tigerstar
Tigerclaw/Tigerstar.
Tigerclaw who became Tigerstar
Redtail was killed by Tigerclaw (Tigerstar) in the prologue of Into the Wild.
I think you mean Tigerstar, since he died after he became leader.In The Darkest Hour, when Tigerstar orders BloodClan to attack, Scourge becomes angry and tells Tigerstar that he (Scourge) is the only cat to lead BloodClan, and that he has decided they won't. Tigerstar gets mad and attacks Scourge, who slices Tigerstar's belly from his throat to the base of his tail, which was such a vicious and serious wound that Tigerstar lost all nine of his lives at once.~cqpkytty
Darkstripe's mentor was Tigerstar. Tigerstar was a cruel and ambitious leader of ShadowClan who trained Darkstripe in his early days as an apprentice.
Tigerclaw is a fictional character from the book series "Warriors" by Erin Hunter. He is depicted as a dark brown tabby tomcat with amber eyes. In the books, Tigerclaw is portrayed as a fierce and ambitious warrior from ThunderClan.
By the way, it's Scourge not Scourage. Scourge appears in the first warriors books. He is the main antagonist besides Tigerstar (Tigerclaw). He is Firestar's half-brother as they have the same father (Jake, a kittypet). Scourge ends up killing Tigerstar (Tigerclaw), his comrade in The Darkest Hour.
I dont know exactl y which page because it's been a long time since I have read it but I know it happens near the end when Fireheart is about to go see Princess he sees Tigerclaw and his band of rouges going towards Thunderclan camp. Tigerclaw tries to kill Bluestar but Fireheart stops him then after all the rouges are chased off with the help of Riverclan Bluestar exiles Tigerclaw and at the end of the fourth book Tigerclaw becomes Tigerstar. I am on Starlight in the new prophecy so ask any questions and I will answer them.
Many atempts to kill Bluestar were made by Tigerclaw/Tigerstar, one in which Cinderpaw falls into.
Fireheart could not trust Tigerstar in the Warriors series. Tigerstar was ambitious and power-hungry, ultimately leading to betrayal and deceit. Fireheart had to be cautious around Tigerstar due to his deceitful nature and willingness to do whatever it took to achieve his goals.
It was Tigerpaw (Tigerclaw/ Tigerstar) in the Rise of Scourge manga book it shows that Scourge met Tigerpaw when he wandered into the woods. He killed him later in the book.