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!
Before the Cheers pilot Give Me a Ring Sometime was completed and aired in 1982, the series originally consisted of four employees in the first script. Neither Norm Peterson nor Cliff Clavin, regular customers of Cheers, were featured; later revisions added them as among the regular characters of the series.