"I feel the exact same way about that thing you just said, friend."
Ditto
"It swings its handmade hammer around to protect itself, but the hammer is often stolen by Pokémon that eat metal."
Tinkatink
This Pokeball recently graduated from college, congratulations!
The Master Ball
Doduo
Clearly Siblings
Lucky Question! Double points!
Mulan!
"Could you explain why you are refusing to me?"
Wynaut
"As a result of storing too much electricity, it developed patches where even downy wool won't grow."
Flaaffy!
This Pokeball once kidnapped a French girl who, later on, fell in love with it.
Beast Ball.
Tandemaus
Dating, obviously.
Hint: It's the devil.
Cindy!
"That has frightened me a bit, but not overly so. (Also I wish for you to believe that I'm cute.)"
Lileep
"Buried beneath the castle are masses of dried-up bones from those whose vitality it has drained."
Palossand
This Pokeball tried to convince it's new girlfriend to drown a small village of firebenders.
Jet Ball!
Gengar & Clefable
Siblings, I mean c'mon
Which Disney Princess would likely have this little guy?
Tiana
"Literally anybody else; besides you, the person I'm texting."
Natu
"Its shining gold whiskers are advanced sensors that can detect vibrations from sounds several miles away."
Alolan Dugtrio
This Pokeball has a better chance at actually catching a Pokemon than even a Great Ball!
It's the Master Ball, of course!
Karrablast & Accelgor
Dating! He's Karra's about her.
What are you doing here? Whose cat is this?
Jasmine, come get your cat he keeps scaring off the hoes
"I'm Here, are you a Pokemon Trainer?"
Camerupt
"It starts its life with a wondrous power that permits it to bond with any kind of Pokémon."
Manaphy, Prince of the Sea

This Pokeball is a personal favorite of Edward Cullen's!
Note: I have not seen the movie or read the book.
The Love Ball!
Shiny Alolan Rattata & The only Disney Princess with 3 movies.
Dating!
(This is a canon scene from the second movie)
He swimmin

Melody! (Technically it's her dad's but yknow.)