They both have freckles. Ran's are lighter while Rindou's show up more.
They have matching lip, nose, and ear piercings.
When Rin get too excited about something, he'll get hyper and start flapping his arms.
Ran has very strong paternal instincts due to taking care of Rindou.
He puts up a tough front, but in reality, Rindou is a huge dork and gets flustered easily.
Rindou gets overwhelmed in large crowds, but only if him and Ran are separated.
Ran hold's Rindou's hand sometimes to keep him from wondering off and getting lost.
Ran likes to baby the people he's close too, especially Kakucho and Rin.
When someone's misbehaving, Ran will wack them on the head as a warning.
Rindou bites. Both as a threat, and to show affection.
Ran loves baking. His favorite thing to bake is cake.
Ran once got into an argument with an older lady about how many cups of flour to use for a batch of cupcakes. Rindou was there for it and felt humiliated that his brother did that.
Rindou really REALLY likes ducks. he has rubber duckies in the bathroom and a bunch of duck plushies on his bed. If you ask him about ducks, be prepared to listen to him talk for a goid five to six hours. He also has a pair of duck pj's.
Rans favorite animal is a zebra. He doesnt have a reason, he just thinks they're neat.