I feel like Jason and Damian would play DnD together and it started at their time in the League. I believe with my whole soul that Jason is just a big nerd, so I think it'd be cute if he showed Damian how to play DnD so he could use his imagination by playing a "childish game" (Damian's words).
When Damian joins the family, they think that he's sneaking out because he doesn't feel comfortable in their home yet, but really he's just meeting up with Red Hood every Thursday to continue their campaign.
Now, nobody knows of their weekly hang outs, even after Jason reconnects with the family. Not even Tim, who is also a huge nerd and has been begging Dick to play DnD with him for years and being constantly be turned down.
Eventually, Jason and Damian are setting up their game and Tim walks in on them.
Tim:
Jason: "It's not what it looks like?"
Tim: *Takes a deep breath* "Are.. are you playing DnD?"
Jason:
Damian: "It's a perfectly acceptable thing to-"
Tim: "YOU'VE BEEN PLAYING DND THIS WHOLE TIME AND YOU NEVER THOUGHT TO INVITE ME??"
Jason: "Uh-"
Tim: "I've been begging- ABSOLUTELY BEGGING Dick to do a campaign with me. I've been rejected too many times to count-"
So now, every Thursday, Jason, Damian, and Tim gather round to play DnD.
no one but professional trainers has a full team of 6 in the pokemon universe because it would be a fucking gigantic hassle to deal with 6 animals, let alone different types that need different things
some people don’t evolve their pokemon because imagine having a fucking cat and then you can choose to make the cat five times as big and strong. would you do this if you weren’t battling.
Had the idea of ER nurse Danny and ER doc Damian working in the same ER.
Like their the same age but Danny was working there first (bc it takes less time to become a nurse than a Dr) and everyone in the ER loves him. He is the most component nurse they’ve ever had and is always cool, calm and collected even in the most stressful of times. Drs know that if shit hits the fan they can pass any patient that’s not dying right this second over to Danny and he’ll get them sorted all by himself, cracking jokes the whole time to keep everyone else from freaking out.
Then Damian starts working there and he’s basically a no nonsense Danny. Nothing fazes the guy. On his second day there he handled a gun shoot wound, spinal injury, rib fracture and stabbing all within an hour of starting his shift, all on different patients. He gets in, gets shit done and moves on as if he was dealing with a minor problem not 3rd degree burns.
Now these two, despite working at the same hospital, have never met. Bc Danny works the night shift and Damian works the day and every person that works there is so fucking glad that’s the case bc non of them expect them to get alone. Like Danny’s all wise cracks and jokes and Damian is all ‘stop wasting time’ so even tho they’re both efficient as fuck, no one expects them to tolerate each other.
Then on the first Halloween Damian works there, every member of staff is on shift bc it’s fucking Gotham and all the staff r just bracing for the inevitable fall out of two unstoppable objects colliding. Only it never happens bc these two get alone like a house on fire. Like yeah normally Damian gets up people goofing off but that’s bc their not doing work and just wasting time, he sees nothing wrong with Danny’s jokes bc he’s getting work done while he jokes. It’s like working with Dick, he honestly finds it a bit reassuring bc if Danny is cracking jokes it can’t be that bad. Danny on the other hand is just so glad to have someone else that can keep pace with him. Normally by this time of night he’s juggling 8 to 18 patients on his own with only minimal help from the on shift doctors but now Damian is right there with him and the two r basically tag teaming the hoard of mass casualties that just came in.
Needless to say that night Gotham general was the most efficient hospital on the planet and every doctor and nurse on staff have the horrible realisation that while they had mentally prepared for these two fighting, they hadn’t prepared for the fucking hurricane these two form when they get alone. 
Dick, tired after another session of being bullied by his own siblings: God, do we even have someone in this family who is accepting?
Tim: Well, not me and Steph, obviously
Damian: I am not in this particular competition. Perhaps Cain?
Stephanie, scoffing: Absolutely not my beautiful Cass. She judges you hard every day in my dms.
Dick, hopeful: Duke?
Damian, who had been shit-talking about others with Duke for a year now: You have a wrong idea in mind, Grayson.
Cassandra, appearing out of nowhere: Jason.
Tim, instantly protesting: No! He is like, professional hater.
Cassandra, shrugging: Does he hate things? Yes. Does he judge? No. Try admitting the most different things to him — you will see.
Everyone: ...
Everyone: On it.
Tim, eying at Jason, who sits in the Batcave during one of the missions: Jason?
Jason: Mhm?
Tim: Urgh... I fucked up. Forgot about Bart's birthday.
Jason: Okay? Just aplogise and gift him stuff.
Tim: ...Okay, wtf, since when you are so understanding?
Jason: Wtf?
Duke: Urgh, Jason?
Jason: What?
Duke: I got in the fight in school.
Jason: Well, you clearly won?
Duke: Yeah, sure.
Jason: Cool. Have fun dealing with the aftermath.
Duke: ...
Duke: ...Thanks?
Stephanie: I eat pineapple pizza and coat my watermelon with Nutella.
Jason:
Jason: ...Okay? Bon appetite?
Stephanie: !!!
Damian: I probably killed someone by the accident.
Jason: Aha. Is that a request for my cleaning services or just an information to keep in mind?
Damian: ...Second one.
Jason: Ok. Have fun.
Dick, a week after: Man, okay, you are clearly not high, I checked. What is the secret of such an angelic level of acceptance while being a hater????
Jason: I follow the Idk+Idc rule. I don't know and I don't care.
Dick: But don't you feel outrageous? At least sometimes? LIKE, MAN, WATERMELON AND NUTELLA?
Jason: I don't know. I don't care.
Jason, after a beat of silence: Unless it is Bruce. Him, I judge.
Dick: ...Of course.
Mystery Inc. meet Holmes and Watson!
I am having a lot of fun with this Victorian Scooby Doo au!!