Winter Haiku in Seattle

What is the plural for Haiku? Haikooze? Haikii?

Anyway, here goes.

snow falls once per year
traffic snarls as a response
I like to stay home

rain falls all the time
traffic snarls as a response
why can’t people drive

dick cheney shoots friend
liberal locals lose minds
larry says go dick

sonics are no good
mariners do not improve
olympics? who cares