i assumed the reading of the first two characters in the picture i posted above is "kichi" because i google it and it is a suffix, so i am asking about japanese common words or names with suffix "kichi"... that's all i know sorry.
That's not two katakana キチ "ki" and "chi". Suffixes are not put at the beginning of a word in the first place. The one you interpreted as two letters must be a single kanji.
I'm skeptical if those are really kanji, though. It seems to be written by someone who actually didn't know kanji, i.e., just imitation kanji.