so when reverend lovejoy came along i'd done this characterization of this televangelist named ernest angley>> oh yeah of course. >> heal! he used to do. and people would be slain in the spirit. and i sort of just took his voice down a little bit an octave range and slowed him down a bit. [ laughter ] and then for principal skinner i'd been doing charles kuralt, the guy who used to. >> oh yeah, cbs. >> on the road for cbs. we were on the road and nobody knew that i was on the road because i had a mistress in montana. [ laughter ] and, so i.true story. and so i just again took his voice down, kind of genericized it a little bit. and that became principal skinner. >> yeah. >> but the others were just totally, you know, imaginary. >> is it still fun to do after all these years? >> yeah, i mean, you know, i resisted doing series television because i just couldn't bear the idea of doing one character every week all the time. and so the simpsons allows me to do 17 or 18, which is exactly what i wanted. >> right. >> and in fact, sometimes -- is it true you do mr. burns and smithers together essenti