Korean name will be Frank. Names don't translate into Korean because their roots are different. However, you could create your own Korean nickname and/or use the romanized style of the name.
wae 왜
my love
jeogge
keomyuniti
ama
dal
you say Kevin in Korean the same way you would say it in English. the same with any language
Areumdaun or yehppuh.
Korean spoken language
Seng-gak.
고기 = meat
물고기 = paste