(I apologize for the poor quality of the meme and for the short list)

Wolf, Buffalo, and Rabbit (TLH): Lincoln somehow ended up going to another world where he falls into the company of a man with a prosthetic leg and a giant of a man widdling spoons.

Tobi and Himawari (Naruto): Himawari was a lonely girl. Her father was always working, her brother was always getting into trouble. And as much as she loved her mother, she wanted more. But one day, while she was walking through Konoha, a voice called out to her, asking for help. A man, covered in white with a single eye on his mask.

Wonder of Loud (JJBA x TLH): Lincoln Loud was a boy who just wanted to be left alone after years of being tortured by his sisters. One day, he gets that chance. And he meets the Wonder of You.

Sagat's Student (Street Fighter x TLH): Sagat, traveling the world in search of strong opponents, runs into a young girl named Lynn Loud and takes her under his wing.

Naruto Constantine (Naruto x DC): John was drunk one night and woke up with a baby on his coutch. Next thing you know, he's raising the damn kid.