Teal'c of Chulak [pronounced ˈtiːəlk], also known as Teal'c of the Tau'ri, and sometimes Shol'va is a Jaffa from the planet Chulak, a planet orbiting a binary star system and who formerly served the Goa'uld and System Lord Apophis as his First Prime before defecting from his former Master and joining the Tau'ri, pledging his loyalty to Stargate Command and also the cause of the Jaffa Rebellion. He joined the Alliance of Nations during First Multiverse War
In spite of his intimidating appearance, Teal'c is courageous and willing to stand up for what he truly believes, even though it will render him dead or a disgrace in the eyes of his fellow Jaffa.
He is also loyal to his teammates and willing to assist them in the face of great danger.
Upon being brainwashed by Apophis, however, after being brought back from the dead following his death at the hands of one of Apophis's new Jaffa, Teal'c became emotionally distant, cold and ruthless, showing no mercy or remorse, suggesting an almost psychopathic nature.
Teal'c displayed a strong, fierce and overwhelming loyalty to Apophis, who he regarded as a God, and even threatened to kill one of Apophis's fellow Jaffa for what Teal'c believed was "blasphemy". In addition to that, Teal'c also turned against his friends: Jack, Sam. Daniel and Jacob/Selmak, regarding them as enemies.