Peter and Andrew were brothers.
Is it Judas.
A disciple is actually a follower who allows himself to be discipled by his teacher. Jesus had many followers, then and today, who refused to be discipled. As Mary Magdalene was one of the first people at the tomb, it seems likely that she was a disciple.
It depends on what you call a disciple. If you mean 'one of Jesus's disciples' then yes. Jesus says in John "I am the Way, and the Truth, and the Life. No one can come to the father exept though me." So in that case, yes, you have to be a Christian to be a disciple of Jesus.
He was not one of the 12 disciples.
Saint Matthew was one of the Twelve Apostles chosen by Jesus. As a disciple, he followed Jesus, learned from His teachings, and spread the message of Christianity after Jesus' death. Saint Matthew also wrote the first Gospel in the New Testament, which bears his name and recounts the life and teachings of Jesus.
Jesus is said to have met the disciple Bartholomew in Galilee before calling him to be one of his twelve apostles. The exact location or circumstances of their meeting are not specifically recorded in the Bible.
The disciple who told Peter about Jesus was Andrew, who was one of the first followers of Jesus. Andrew was initially a disciple of John the Baptist but then introduced his brother, Peter, to Jesus, saying, "We have found the Messiah" (John 1:41).
John the Baptist was a prophet who preached about the coming of Jesus as the Messiah, but he was not one of Jesus's disciples. John baptized Jesus and played a crucial role in preparing the way for Jesus's ministry.
Levi's name was changed to Matthew when he became a disciple of Jesus. He went on to become one of the twelve apostles and author of the Gospel of Matthew in the New Testament.
Bartholomew was one of the 12 Apostles.
John.
Nathanael, also known as Bartholomew, was one of the twelve disciples of Jesus. He is mentioned in the Gospel of John as one of the early disciples who followed Jesus. Nathanael is known for his initial skepticism about whether anything good could come from Nazareth, and his eventual declaration of faith in Jesus as the Son of God.