Gouda Takeshi, nicknamed Gian (from the word Giant), is one of the main characters of Doraemon.
Gian is a fat, tall, and strong bully who harrassed most of his classmate to do or get whatever he wanted. His frequent victim was Nobi Nobita, and also occasionally tag along with his friend Honekawa Suneo to bully him. His antics usually caused Nobita to asking Doraemon for a gadget to avenge him. Although he still regarded Nobita and other classmate as a friend and will not hesitate to help them when needed.
He is notorious for his terrible singing and cooking skills.