>>10547335>>10547501According to the kayfab
Leo was given katanas because they are the most deadly, and Leo was the most skilled fighter and was deemed good enough to use them.
Donnie was given the Bo staff because he was the weakest fighter and the stick was to keep villains further away from him cause he couldnt depends on his brawling skills to save him.
Raph was given sais because he is a hot head and super aggressive. So Splinter give him defensive weapons to keep him from charging head long into a danger siutation.
Mikey is supposed to be the most talented and athletic of the 4, but he's also super lazy. so Splinter gave him the worst weapon to keep him paying attention.
