<P> His first name appears to be unknown by any of the characters, even his employer--in The Package his business card gave his name merely as "NEWMAN". A minor character calls him "Norman" in "The Bottle Deposit", but this was a mistake on the part of the actress / character, rather than any revelation of Newman's first name . Newman himself is petty and vindictive (and prone to hysteria), and often depicted as a stereotypical "evil genius", who is usually undermined in some way . Though he greatly resents Jerry, he is shown to be willing to work with him at times, but will return later to wreak havoc on his social life, though Jerry often gets the last word . Jerry's exasperation, or epiphany involving Newman will cause him to clench his fist and mutter "Newman!" under his breath . </P> <P> Newman has been shown to harbor unrequited romantic feelings for Elaine . </P> <Tr> <Td> Frank Costanza </Td> <Td> 29 </Td> <Td> John Randolph (first appearance), Jerry Stiller (later appearances) </Td> <Td> George's father . Utterly deranged and very quick to anger . Of Italian descent, he is a former cook in the Army and detests removing his shoes in other people's homes . Because of his work as a travelling businessman, he speaks Korean . He invents the holiday Festivus, as a reaction to cultural commercialism of Christmas, and of which George has few fond memories . He has a phobia of spending silver dollars and suffers strongly from musophobia; however, he has a genuine compassion for squirrels . He wears his sneakers in the swimming pool . His lawyer wears a cape . </Td> </Tr> <Tr> <Td> Estelle Costanza </Td> <Td> 29 </Td> <Td> Estelle Harris </Td> <Td> George's highly obnoxious and melodramatic Jewish mother . She constantly squabbles with Frank and George about their actions, but is the closest thing to reason in the Costanza household . Enjoys playing Mahjong . George claims she has never laughed, ever . </Td> </Tr>

Who played george costanza's father on seinfeld