Well, here we go, a Danny Phantom/The Flash crossover. It will be connected to both Venom in Star City, and Avengers of Earth 38, and the soon to be released Guardians of Tomorrow. I hope you like it, and it should be really interesting when we bring all four stories together. Danny will be around 23, and Dani, or Elle in this story, will be about 17. Also, this story will actually start at the season finale of season four. Anyway, let's get it started shall we.

Ch.1 Phantoms in Central City.

My name is Danny Fenton, and I'm a Halfa from another world. When I was fourteen, my parents built a portal to a place called the Ghost Zone. After the machine didn't work for them, one of my friends dared me to go inside of it. As I did I stumbled on the 'on' switch, once it was pressed it created a shockwave, fusing ectoplasm into my DNA, turning me into a human/ghost hypbrid, a Halfa.

When I discovered I had powers, I decided to use them for good, fought evil ghosts, saved the world a couple times, saved a clone a evil Halfa made, who is now my daughter, Danielle, or Elle for short.

Several months ago, an evil organization called G.I.W. sent several ghost nukes into the ghost zone, and me and Elle were unable to stop them. As the Ghost Zone exploded, so did our Earth, but before me and Elle died, an ally ghost named Clockwork sent us to this Earth. Most of the time, we are Danny and Elle Fenton, with me working as a mechanic in one of the garages in Central City, but threats have started to rise, and the Flash may be fast, but he doesn't have to be the only one to stop them. My daughter is known as Spectrum. I am Phantom.

-Central City-

In a small apartment at the edge of Central city, a young adult man was fixing dinner. He had raven black hair and icy blue eyes. He was rather muscular and tall, and was wearing blue jeans, and a white t-shirt. He is Daniel, or Danny, Fenton, once known as the hero Phantom on his Earth, but now just a single dad with a job as a mechanic.

In the other room was a teenage girl watching TV, who also had raven black hair and icy blue eyes. She was wearing light blue jeans and a red t-shirt. She is Danielle, or Elle, Fenton. She is a clone of her father's, created by the evil Halfa known as Vlad, and she's also was once the hero known as Spectrum, but now she acted as just a normal teenager.

"So how was school today?" Danny asked his daughter as he waited for the dinner to warm up.

Elle shrugged, "it was good, it's just so boring."

Danny sighed, he knew his daughter missed the hero life, and it pained him to just sit around and do nothing aswell, but he doesn't really see the reason for them to jump into action, the city has its protector. The Flash. "I know you miss the hero life, but we can't just encroach on the turf of another hero."

"It would make his job easier," Elle mumbled.

Danny was about to respond, but he didn't know how, but then he thought of something that may take his daughter's mind out of things. "Come on, after dinner, we'll go for a fly, I know that'll make you feel better."

Elle grinned, "can we also get ice cream?"

"We just might." Danny told her with a grin. They then heard a ding from the kitchen. "Pizza's done."

After they ate, they then changed into their ghost forms, and both have changed since they first started out. Phantom now had a sleeveless Hazmat suit with a faded green 'Dp' symbol on it, aswell as a black leather jacket, fingerless gloves, and black pants and combat boots. He still had the snow white hair and the toxic green eyes.

Spectrum on the other hand had fiery white hair, and neon green eyes. She also had white finerless gloves, aswell as white boots while her hazmut suit was black and skin tight, also revealing her stomach, much to her father's dismay. The green 'Dp' symbol was also faded on her chest.

"You really need to change that suit, it's gonna drive boys crazy." Danny told her.

"Yet you can look like a badass ghost biker, that's really appropriate for the kids," Elle shot back. Danny rolled his eyes as the two turned intangible and flew out of the apartment.

"Haven't flew around for weeks," Elle said dramatically as she stretched her arms and flew facing the night sky.

Danny chuckled at his daughter's dramatics. "Well, considering we're trying to keep a low profile, we had to cut back on the flying, but maybe we could fly around a little more often than we usually do."

Elle smiled at that. That's when they both noticed a fireball falling from the sky. "What the hell?" Danny said before they noticed several more, and then an even bigger one.

"Should we do something?" Elle asked.

Danny nodded. "You protect civilians, keep them from being hit, I'll deal with the big one." Elle nodded as she flew towards the smaller projectiles, Danny on the other hand flew towards the big projectile in the sky.

On the ground, two members of Team Flash, the team leadlead by the Flash to protect the city, Ralph and Cisco were currently clearing the area of civilians and, who were all panicking. Several projectiles were about to fall to the ground all at once, Cisco vibed one away, Ralph used his powers to move three civilians out of the way, but the last two were blasted by green rays. The two Meta-Humans then turned to see a teenage girl with fiery white hair and glowing green eyes. Her legs were currently nonexistent as her ghost tail was where her legs should be.

"Been forever since I've done that," said Elle as she put her hands down and floated down to the other two heroes.

Ralph turned to Cisco. "You're seeing the same thing right?"

Cisco nodded in response. "Uh, who are you?" Cisco asked, kinda freaked out.

Elle smirked at the two men as her ghost tail turned back into legs, catching them by surprise. "Name's Spectrum." she said as she blasted another. "My dad's gonna help your friends deal with that," she said motioning towards the giant satellite falling towards them.

"What do you mean by friends?" Cisco asked confused.

"Isn't the two speedsters your friends?" Elle asked.

"What do you mean by two speedsters?" Ralph asked.

In the sky, Danny fists were glowing with ectoplasmic energy as he got ready to fire. He then looked down and noticed two streaks of lightning, one the familiar red and yellow of the Flash, the other, which was a purple streak, was one that the Halfa didn't recognize that was behind Flash. "In three." Danny said as the speedsters got closer.

"Two." The speedsters then ran on the building, not slowing down one bit.

"One!" Danny yelled as he unleashed a massive ectoblast onto the satellite, just as the two speedsters jumped at the satellite with sonic punches. The blast that came after that sent Danny flying onto a nearby roof while the speedsters sped off in multiple directions.

Seeing her father crash into the roof, Elle realized it was time to leave. "Well it was nice meeting you two," she said to Cisco and Ralph, "but I gotta go."

Before either one could say anything, Elle turned intangible and flew off, just as The Flash, a.k.a Barry Allen sped up to them. Seeing the look on his friends' faces, Barry asked. "What I miss?"

On the roof, Danny was leaning close to the edge, ragaining his footing and bearings.

"Dad," Elle said as she landed next to him. "Are you okay?"

Danny nodded. "Yeah, I'm fine sweetie, just the blast was a little stronger than I anticipated."

Elle nodded before looking down at the people celebrating the three heroes below. "So does this mean we're back in the game?"

Danny thought it over for a bit before a grin appeared on his face. "I don't see why not, afterall, we did just help save the city."

"Yessss!" Elle said before she hugged her father. "Thank you! Thank you! Thank You!"

Danny couldn't help but lightly laugh. "How long you think it'll take before Flash finds out we're here?"

"I don't know, but his associates said they didn't know the second speedster." Elle told him.

The older Halfa looked at his daughter. "Are you sure?"

She nodded at him. Danny sighed, "then I guess we're not the only new heroes in Central City then." He then began to Levitate off the ground. "Come on, let's go home."

Elle nodded as she too began to levitate before the two Halfas flew off, an uncertain future ahead of them as the newest heroes of Central City.

Alright, that's the first chapter done. I was wondering, should I do a Danny/Nora pairing, I think that would be fun. Also, don't forget that the fourth story to this collection, Guardians of Tomorrow is released this Sunday. Don't forget to review and check out my profile for my other stories and future content.