#i think there's a fair amount of stuff splinter does not understand the purpose of

[skeleton-in-a-hoodie]

I think DDMG Splinter does stuff that's totally unnecessary due to him being a ghost/ demon, but he does it anyway for the Turtles.

Like he uses an oven mitt/ tea towel when he's taking stuff out the oven. He doesn't need to, it's not going to burn him, but he wants to set a good example for his sons.

Goes up stairs to bed when his sons due, despite being nocturnal, because he wants to make sure they have good habits and he kinda likes having a few hours to himself before having to visit New York.

Can survive on a lot less food than a human, but eats meals with the Turtles because it's nice and also the boys asked him to. Splinter makes sure the Turtles have enough food before he thinks about eating, meanwhile the Turtles are determined to make sure Splinter eats, because they know he's not good at looking after himself. Rat dad puts weight on as a result - this is a good thing, and he is very surprised to find the constant hunger gone for the first time since he could feel hunger after dying.

When it's cold, wearing boots, a warm coat, a scarf and gloves, also to set a good example, even though he can't feel the cold. Kinda difficult to find him a coat that fits (really tall + weird body proportions due to being a rat demon), but Raph made the scarf and gloves.