He would do anything for his crew since his crew is like family to him. He has a soft spots for kids and he is 21'1 FT. He carries a naginata.
He has a friend and sometimes enemy Roger. The man who will find one piece. Whitebeard doesn't care about the one piece because his only goal was to have a family 

Proud and responsible man

Rocks D. Xebec is an incredibly vicious and ambitious man but if it comes to his crew or his family

incredibly vicious and ambitious man, 

Theres no more explanation then Roger just taking care of you

Basically he wants to adopt you.

Who's-Who is a very tall man at over 3.3 meters,lean yet well-toned with particularly long legs and a light complexion. A mane of wavy, pink-colored hair goes down his back a little past his waist, and a pair of long, upward-curving horns jut out of his head. A chain smoker, Who's-Who is always seen with a cigarette in his mouth

An ambitious man,

Inheriting the violent tendencies of his ancestor, Wyper is first shown to be an extremely violent and irrational man. He believes to follow the path of his ancestor and his principles. He does not easily trust outsiders and is quick to fight anyone without a second thought. Because of this, he is called a berserker. Despite this however, Wyper has a deep love for his people and his homeland. He also has a deep respect for his ancestor's best friend, Mont Blanc Noland, to whom he feels obligated