Paul and Theresa are his parents.
Names aren't translated. A Kenny stays a Kenny, or as close as Kenny as local dialect can make it.
kenny rodgers singing partners
Kenny Ortega =)
Kenny
As a rule, names are generally not translated, so it's Kenny, there is no German equivalent.
Mac and Nora
Names don't get translated. You say it Kenny as you would in English.
"Parent's names" is correct if you are referring to the names of one parent. "Parents' names" is correct if you are referring to the names of multiple parents.
Kenny, Keith
Kenny Cayocca
His father's name is Jack Britt.