One piece -if you could make you own devil fruit what would it be

Lets here your devil fruit power

Comet Comet no Mi - Paramecia -The user's body is frozen when active, yet also is surrounded with a bright, very hot light, the comet. -Has the ability to move at very high speeds using geyser like gases from every, or a select amount of pours in the body, and can even expel heat from the pours to add on to the speed if needed. These are known as the user's jets. -When ability is active, and physical combat such as a punch, will lead to a high speed fiery hot hit, with a freezing aftermath. -Comet tracks, or tail are highly deadly (similar to H2S) but only last for a few seconds (unlike H2S), but before it disappears, the user may solidify the tail and attack enemies with a poisonous weapon of any choice. -When active, the user breaths freezer-burn aurora that is deathly (if traveling at high speeds through sky, will display a beautiful "natural light display" to add on to the comet's tracks as the user travels (unless user holds breath)). This also gives the user the immunity to any poisonous gas, object, and can pretty much eat anything with no consequences, mentally or physically. (Basically means this user is Caesar's worst nightmare) -Doesn't need oxygen to survive -Can create tiny, high temperature rocks as projectiles Negatives: -Requires user to have a huge amount of endurance when ability is active -Has huge disadvantage against haki users -Gas still has full affect -User could use speed to catch haki opponent off-guard or hit area with no haki applied -Physical attacks will mostly depend on the user's actual physical strength (Unless user can use haki) Well I think that's enough, if anyone actually read all that, I really appreciate it!! ＼(^-^)／

For the sake of not being OP. Uhhhh. A yoyo :D Like swing a yoyo around and increase the size to hit the enemy. Massive ass yo yo in the face bro. Just made it up loool

Because I'm so~~~~ original Devil, Devil(or Demon Demon) no mi: Basically a mythical creature type that turns you into a devil, Increasing strength, Durability and giving the ability of hell fire. Thing just came with off the top of my head and I just woke up an hour ago, So I don't feel like getting into details. Though if I were being serious I think the Solar Solar no mi would be my choice( Basically powers of the sun).

If I could give someone a devil fruit power of my choice, it would be a logia type that transforms their natural state into a small boat. They would then be a land-traveling boat that could not traverse the ocean. huehehue

To be able to explode any inanimate object. Clothes, ships, the ground, swords, bullets.. I think it would make me almost untouchable by weapons. I would have to be defeated by hand to hand combat.