If you would like to say or introduce yourself in korean here it is:

How to introduce yourself:
Tagalog:
Hi ako si (pangalan).
Ako ay foreigner

English:
Hi my name is (ur name).
I am a foreigner.

Hangukeo:
Annyeonghaseyo Jeoneun (name) imnida.
Jeoneun waegugin imnida.

Hangul:
안녕하서ㅣ요 저는 (name) 입니다.
저

는 외국인 입니다

Dictionary:
bold=hangukeo
normal=Hangul
sided=english

Annyeonghaseyo = 안녕하서ㅣ요 =Hi
Jeoneun = 저는 = I
Imnida = 입니다 = Am
Waegugin = 외국인 = foreigner

Pronounciation:
•Annyeonghaseyo is pronounced as
An-yong-ha-se-yo in slow and
An-ya-se-yo in fast pronounciation

•Jeoneun is pronounced as
Jo-nun

•Imnida is pronounced as
im-ni-daaa

•waegugin is pronounced as
we-gu-gin

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now for the comebacks

If someone rolled their eyes on you
Say...
Go on roll ypur eyes more maybe you could find ur peanut size brain there.

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First tutor!
Hope this will help you guys
Iloveyou
Bye.
Annyeong.
안녕.
Paalam.