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!
After landing the role as the know-it-all mailman on Cheers, where he was twice nominated for an Emmy, his career began to take off. His voice is what sold him though. He starred in A Bug's Life, Toy Story, Toy Story 2, Monsters, Inc., Finding Nemo, and The Incredibles.