Difference between Party Pooper and Wet Blanket

PARTY POOPER vs WET BLANKET: NOUN

One who dampens fun; one who declines to participate in a group activity; one who does not agree with the opinions of a group.
One who declines to participate with enthusiasm, especially in the recreational activities of a group.
Someone who spoils the pleasure of others

A person who takes the fun out of a situation or activity, as by pessimism, demands, dullness, etc.
One that discourages enjoyment or enthusiasm.
Someone who spoils the pleasure of others

Pillock, Grumpy, Grump, Sourpuss, Whinger, Grinch, Whiner, Wuss, Wowser, Prude, Buzzkill, Wimp, Wet blanket, Spoilsport, Killjoy

Hypocrite, Tosspot, Pessimist, Grouch, Pillock, Grumpy, Grump, Sourpuss, Whinger, Grinch, Whiner, Wowser, Prude, Wimp, Killjoy

So I had to be sort of the party pooper in the room oftentimes and trying to bring it back down to earth.
Not to be a party pooper, but with "The Ageless" Fred Taylor's career winding down, somebody needs to assume "ageless" status in 2009.
After all, playing party pooper in a place where most people are out to have fun is a no-no.
This duo has the talent and energy to win over and delight even the most morbid party pooper.
Then Cotillard's character starts gushing blood from her palms, a party pooper to say the least.
Total party pooper, yes, but it makes training and motivation that much more difficult.
This time we are looking on the crossword clue for: Party pooper.
PS: no links to articles with keyboard shortcuts, you party pooper.
Party pooper but bulma returns, gokutm turning super dragon throws freeza?
Party Pooper, the latest game from Madison, Wis.

Not to be a wet blanket, but just remember that Big Brother is watching, if you care.
At the risk of being branded a wet blanket or Charles Barkley sympathist: So what?.
With all this said I definitely do not want to be a wet blanket.
He is a wet blanket, I never invite him again in my party.
There is nothing worse for your horse than shivering under a wet blanket.
Why do you have to throw a wet blanket all over my dreams?
This little pilgrimage threw quite a wet blanket upon his rising spirits.
The circumstances put kind of a wet blanket on it.
Bobby approaches, a wet blanket on two legs.
Is a wet blanket to any new idea.