No. Lord Voldemort killed Severus Snape's true love.
He always thought he controlled Severus Snape and had no reason to fear him. The only person Voldemort ever feared was Albus Dumbledore.
No, Severus Snape is helping the Order of the Phoenix to bring down Lord Voldemort.
In the end, he's loyal to Dumbledore.
Severus Snape asked Lord Voldemort to spare Lily Potter because he loved Lily and didn't want her to die. Dumbledore was disgusted that he didn't care about James or Harry.
No, but instead Lord Voldemort killed Snape because he was the only one who knew the last horcrux except Lord Voldemort.....
Severus Snape's father was a muggle and he always fought with Snape's mother. This led to Snape hating his father and therefore muggles. So he believed what Lord Voldemort believed and signed up to help him.
Snape doesn't want or need to get the Philosophers Stone, he is one of the staff protecting it Professor Quirrell wants the stone for his master (Lord Voldemort) He is sharing his body with Lord Voldemort.
Severus Snape was loyal to Lord Voldemort until 1980 when Lily Evans' life was threatened. He then switched sides and was loyal to Albus Dumbledore until his death in 1998.
Lord Voldemort believes that Snape is the true master of the Elder Wand because Snape killed Dumbledore. In order to gain the wand's allegiance, he kills Snape. However, Draco Malfoy disarmed Dumbledore before that, so Snape had never been the true master.
He never truly became Voldemort's friend. He was only staying close to him to collect information to protect Harry and avenge Lilly.
Severus Snape was appointed headmaster after Lord Voldemort (indirectly) took over the Ministry of Magic.
The best is Albus Percevial Wolfrang Brian Dumbeldore followed closely by Lord Voldemort(only in terms of power) and Severus Snape.