Champions League Stats - Who is the King?

Messi (L) and Ronaldo (R)

After Messi single handedly demolished Antonio Contes Chelsea its time to look at the numbers. What stands out is the Century goal reach the Argentine managed. But how does he fair on with the likes of Real Madrids' Cristiano Ronaldo?
According to Opta Joe, Messi dwarfs Ronaldo n this.
It took Ronaldo 137 matches to reach 100 goals in UCL. Messi took 14 matches less (123) to achieve it.

100 – Lionel Messi has now scored 100 Champions League goals in just 123 appearances, 14 games fewer than it took Cristiano Ronaldo (137) to reach this milestone. Extraordinary. pic.twitter.com/CfbtoVKb7y

— OptaJoe (@OptaJoe) March 14, 2018

So who is the King of UCL?