根据以下有关Alan 的个人情况的介绍， 用英文写一篇介绍他的短文。词数： 80 左右。
Name: Alan Brown
Age : 16
Appearance: tall , round face, short hair
Personality: generous , humorous
Address : 69 Park Road, Sydney; live with his parents
School: No. 4 High School
Nationality ( 国籍 )： Australian
Occupation ( 职业 ) ： student
Favourite subjects: Art, Music
Weekday activities ( 活动 ) ： swimming and walking
Usual Saturday activity : having parties
Usual Sunday activity : watching TV
His dream: be a social worker