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
dal
my love
keomyuniti
ama
jeogge
you say Kevin in Korean the same way you would say it in English. the same with any language
Seng-gak.
Areumdaun or yehppuh.
Korean spoken language
물고기 = paste
고기 = meat