Cristiano Ronaldo is the all-time top scorer of the UEFA Champions League with 134 goals, and the only player to score more than 50 goals in the knockout stage. He has won the competition five times, four with Real Madrid and one with Manchester United, and has finished as the top scorer of the competition seven times, a record.
Lionel Messi is the second all-time top scorer of the UEFA Champions League with 120 goals, and the only player to score more than 40 goals in the group stage. He has won the competition four times, all with Barcelona, and has finished as the top scorer of the competition six times, second only to Cristiano Ronaldo.
Robert Lewandowski is the third all-time top scorer of the UEFA Champions League with 73 goals, and the only player to score more than 15 goals in a single season twice. He has won the competition once, with Bayern Munich in 2020, and has finished as the top scorer of the competition twice, in 2019-20 and 2020-21.
Karim Benzema is the fourth all-time top scorer of the UEFA Champions League with 70 goals, and the only player to score in 16 consecutive seasons of the competition. He has won the competition four times, all with Real Madrid, and has finished as the top scorer of the competition once, in 2011-12.
Raúl is the fifth all-time top scorer of the UEFA Champions League with 71 goals, and the only player to score in six consecutive quarter-finals of the competition. He has won the competition three times, all with Real Madrid, and has finished as the top scorer of the competition twice, in 1999-2000 and 2000-01.