The Champions League was originally called the "European Cup". It was renamed the UEFA Champions League in 1992.
Real Madrid holds the record for the most Champions League titles, with 13 wins as of my last training data (up until January 2022).
Roy Makaay of Bayern Munich holds the record for the fastest goal in Champions League history, scoring just 10.12 seconds into a match against Real Madrid in 2007.
Largest Margin of Victory:
AS Roma defeated Apoel Nicosia 10-1 on aggregate in the 1960-61 season, marking the largest margin of victory in a two-legged Champions League tie.
Only Two Clubs with 100% Final Win Rate:
Nottingham Forest and Porto have both won the Champions League twice and have a 100% record in finals they've contested.
Youngest Goal Scorer:
Raúl, a Spanish striker, was just 18 years and 114 days old when he scored his first Champions League goal for Real Madrid against Ferencváros in 1995.
The highest attendance for a Champions League final was in 1985 at the Heysel Stadium in Brussels, Belgium, when 59,000 spectators watched the final between Juventus and Liverpool.
Most Goals in a Single Season:
Lionel Messi holds the record for the most goals scored in a single Champions League season. He netted 14 goals during the 2011-2012 campaign.
Bafétimbi Gomis scored the fastest hat-trick in Champions League history in 2011, taking just 7 minutes to score three goals for Lyon against Dinamo Zagreb.
Only Back-to-Back Titles
Arrigo Sacchi's AC Milan won the Champions League in 1989 and 1990 without losing a single game in either campaign, a feat yet to be matched.