He don't have an age
you can't.
you can't but i want it
Beat the Mushroom, Flower & Star tournaments in doubles to unlock Paratroopa on Mario Power Tennis \
You see it in the second power star in Boo Moon Galaxy.
you get the star power up from the item block
In Super Mario Galaxy 1 you can get 121 power stars, but in Super Mario Galaxy 2 the star gauge can hold 240 stars.
You are technicially cheating and you won't get the power star.You will get a bronze star which doesn't count as a power star.You must get the star on your own in order to get the real star.
other than the invincible star, I'll say the hammer suit
After you get Princess, talk to Frogfucious (Tadpole Pond, old frog). Then Star Hill will be accessable.
Yes, there is a pink star in the Mario series known as the Pink Star, which appears in games like "Super Mario Galaxy." In this game, the Pink Star is associated with the character Rosalina and often represents a special item or power-up. It is used in various gameplay elements, contributing to the game's whimsical aesthetic and mechanics.
Noo it's really old!
beat the 2nd stage of the gateway galaxy.