The first guard, Seizaburo Tachibana, is 39 years old and a serious-albeit-neurotic family man (having a wife and daughter). He collects Kyoya's discarded items, like the daily calendar Tamaki gave Kyoya as a gift.
The second guard, Aijima, is 45 years old. He is a calm man and a good cook, married to his expectant wife.
The third guard, Honda (aka Hotta or Horita), is 35 years old and has no children.