Simplest way, as if implying "well, that sucks" would be "fukou da" (lit. '[it] is unlucky'').
hinchonggaoy
otousan
アート Āto
pamela
空 sora.
Bocchan
'Minna/minasan e.'
シャノン /sha non/.
Kigarui, or ukiuki.
You may say 'kurai.'kurai.'Kurai.'
kyou WA saite
if by "bi" you mean bye? then "sayonara" is the word.