This definition involves two central dimensions of compassion. The first is known as the psychology of engagement and involves sensitivity to and awareness of the presence of suffering and its causes.
Clifford C. Cliff Clavin, Jr. (born 1947 or 1949), is a fictional character on the American television show Cheers co-created (and played) by John Ratzenberger. A postal worker, he is the bar's know-it-all and was a contestant on the game show Jeopardy!
Sal Viscuso and Todd Susman played the camp's anonymous public address system announcer throughout the series. This character (who is never seen on camera) broke the fourth wall only twice, in the episodes Pilot (M*A*S*H) (1.1) and Welcome to Korea (4.1), both times while introducing the regular cast members.