Funhaver
Fun-haver or Funhaver -( don't get them muddles up with a funny person ) -A funhaver - someone who constantly thinks of having fun and usually chooses to have fun even on situations that are not enjoyable or exciting. Their minds usually think of how they can make their current environment more pleasing or interesting. They think of the fun things they will do before they go to bed, and they wake up thinking about the fun things they will do in the day.
"this guy a true funhaver, he always can find a way how to get fun of something, for example go to surfing with huge waves and sharks, or get a free ride on howerboard!"