Answer:
I'm an old relative who's hand's can't hold anything and eyes can’t see anything
I'm not alive and yet I grow. Just put me next to where it glows. A favorite in summertime best with friends when combined
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
I give people a huge fright but at the end I'm sweet. I normally celebrate at night when there's less heat.
My first half means container. Not a lot of people understand my language.
What language does a billboard speak?