Jason Todd adopts a Flerken (think Goose the cat from Marvel)
Jason names the cat, Jane, after his favorite author.
Jane, despite everything that Jason says or does, joins Jason on his patrols.
The Bat family are against this at first, especially Damian. That is until Red Hood and his trusty sidekick, Jane the cat, get ambushed by Joker and his men.
The rest of the bat family hears a quiet choked, "No. No, not him." From Jason, before getting both his location from Oracle, and who Jason was talking about.
And with that, the entire family, Alfred and his shotgun included, all converged on Red Hood's location in less than four minutes.
Only...there was no Joker. When they got there, fully expecting a fight, or at the very least to come upon the aftermath of a fight, but no. Other than some misplaced weapons and equipment, the only ones in the deserted alley were Red Hood and his cat.
Slowly approaching Jason where he sat on the damp and dirty alley floor playing with Jane the cat, talking to her in a little baby voice. When they were about five feet away, they all stopped in their tracks. As what Jason was saying slowing registered.
Red Hood: Who's my widdle monster eater? 😍
Everyone looks at him strangely, because he says this much too calmly, and way too happy.
Nightwing: Oracle, what happened?
Oracle: *on comms* ummmmm...
Hood: 🎶ding dong, the bastard's de@d!🎵
Nightwing: *to Oracle* I think Joker did something to Hood to make him snap.
Oracle: no, he didn't do anything.
Batman: What do you mean? What happened?
Hood: 🎶Passed away. He has passed.🎵
Oracle: Jane the cat, yeah I don't think she's a cat.
Robin: *looking up from giving Jane a scratch on the head* What do you mean?
Oracle: um...Jane, uh, she kinda,
Batman: what Oracle? Spit it out.
Oracle: Jane ate Joker and his men.
Hood: 🎶I've got 99 problems, but Joker ain't one!🎵