Cuba

he is a heavyset, darker-skinned man (sometimes depicted with brown skin, though also sometimes depicted as simply a deep tan/olive tone) with his hair tied back into brown dreadlocks. He often wears colorful shirts and shorts, though his official character art depicts him in a green uniform shirt and shorts.

described as being a cheerful and chivalrous type, he is good-natured and a nice big brother with strong emotions. At one point, when fearing for the safety of his friends, he conjures forth frightening and violent imagery when discussing what might have happened to them.

Cuba has a love for ice cream, though it has recently caused him to have problems with his weight. He often smokes a Cuban cigar, and for once depicted with Rum and tobacco. He enjoys dancing the rumba and salsa. He speaks in a Kawachi dialect. He uses to bond with Canada after mistaking him for America.

America
Cuba does not get along very well with America; their relationship has failed to the point of "diplomatic discommunication".
canada
Initially mistaking him for his older brother America (who had caused him many problems), he attacked Canada. However, the two seem to be on better terms now, though Canada is still often mistaken for his brother
prussia
It is shown they have a relatively close relationship, with Cuba referring to Prussia as “Big Bro”.
spain
Cuba clarifies that "we've been getting along with each other pretty well lately... no, very well. He's helped with a lot of things. So yeah, it is pretty normal.".

may 20

5'8" (173cm)