Hard to answer, but this is the first thing that came to mind (used to have a Boston Terrier I named Peter Lorre):
Quoted from Tribonian:Just out of prison after spending the whole movie trying to come up with money for a blind flower girl, the Tramp delivers:
Undoubtedly another favorite of mine. I even somehow managed to bring City Lights up over Thanksgiving. While these picks would peg me as older, I'm only 33, but can't deny superb acting in many of the older films compared to all the CGI fluff and such nowadays.