Cowbell Skit Ruined Walken's Life?

Christopher Walken and Will Ferrell’s famous 2000 “More Cowbell” sketch on “SNL” is a crowd favorite. But when Ferrell appeared on “The Tonight Show With Jimmy Fallon” he revealed that Walken isn’t the iconic skit’s biggest fan.

https://www.msn.com/en-us/tv/news/will-ferrell-says-cowbell-sketch-on-snl-ruined-christopher-walkens-life/vi-BBXazwL

No More Cowbell???

Is it a skit or a sketch?