How to traumatize your alien crab friend in his first visit to your home planet (yes they're on earth)

What people see in the moon. Our Wonder World. 1930.

That's us, together.

While we're looking up at the Artemis II astronauts journeying to the Moon, they're looking back home at us. 

In this image, Earth peeks through the capsule window, reminding us that a view like this relies on the ingenuity and hard work of countless people back home.

In the second image, we see our home planet as a whole, lit up in spectacular blues and browns. A green aurora even lights up the atmosphere.

Danny: Would you like to go on a date?

Tim: I'm sorry, you flatter me, but I think you're too young for me.

Danny: Sorry for the confusion, it wasn't a date with me, but with my gentleman.

Tim: your knight?

Danny: Yes! Technically, he's an adult, so there wouldn't be any problems!

Tim: Technically? How old is he?

Danny: Um... How old is Halloween?

Tim: ...

Danny: Look, I know it's weird, but he's been alone for a long time, and he really loves the way you psychologically terrorize your criminals and how cool you look doing it!

Tim: um...

Danny: And if you don't like it, you'll have a favor from me, you can ask me for anything.

Tim: Whatever I want?

Danny: Whatever you want.

Tim: Deal.

Danny: Great! Fright Knight will come looking for you tomorrow night! Good luck, bye!

Danny disappears.

Jason, who observed the entire interaction: Tim... Did you really just agree to go on a date with a guy who's over three thousand years old?

Tim: Sure, you heard Danny, the guy hasn't been on a date in a long time. I'll get that favor from the king of infinite kingdoms by the end of the night, you'll see.

After the date with Fright Knight.

Tim enters the Batcave: ...

Jason: How did your date go? How bad was it?

Tim: I have two pieces of news, one good and one bad. Which would you like to hear first?

Jason: The bad new?

Tim: I won't be able to get that favor from Danny.

Jason: And the good new?

Tim: What? Is it another case? Bruce being Bruce? Can you make it quick? I need to finalize my plans for Friday.

Jason: Worse.

Tim, putting down his laptop and looking at Jason with concern: How big is it? Do you need backup? The case you were working on was the Black Mask case about him reaching out to other Rogues for an undisclosed reason. I knew I should've pushed Bruce to let more people onto the case instead of leaving it to you and the Batgirls, this case is too big for just four people and-

Jason: Slow down. Breath. Let me talk, dammit

Tim: okay.

Jason, with a sign and dragging his hand over his face: Scarecrow found out you're dating the Spirit of Halloween and Fear. He's now bouncing between dueling/killing you for his hand, worshipping you as well, or doing something... drastic... like plunging the city in fear.

Tim: ...what?

Steph: Ooo, gonna date a criminal too, TimTam? Gonna follow in Daddy Bat's footsteps?

Tim: Steph! When did you get here?

And then he takes it even more personally when he discovers that Scarecrow plans to kill Tim to win his love. Fright Knight would NOT!? FRIGHT KNIGHT WOULD LITERALLY KILL YOU AND THEN DESTROY YOUR CORE AS REVENGE!?

Jason is delighted to discover that Death (Fright Knight gave him his contact for a limited time) told him that the Joker would die in two years. The cause of death? He choked to death eating a hot dog, then the multiple ghosts who hate him will tear him apart until only his core remains, which will be handed over and subsequently destroyed by the ghost king (Danny).

does this visual aid help you at all

One day Danny discover after a science class that every D.N.A traces he left (nail, air, saliva, fingerprint, etcetera.) will rapidly degrades into his ecto signature whitout leaving anything human.

Wich some years later is suddenly very useful when he needs to break into museums and private collections to steal Realm's artefacts that were lost and would start to cause problem if not taken back. So Danny doesn't even transform for that and just put a ski mask and a scarf and use some of his powers to steal everything back, he doesn't make any effort to keep his D.N.A to himself.

Wich is very annoying for the police on the case since the video will distord itself sometime and every D.N.A traces will fry any machines it's put in.

It's after a heist in Gotham that the case fall in Comissioner Gordon who throw his hand up and give the case to the Bats.