The present invention is intended to provide an image forming apparatus and an image forming method which are high in user-friendliness and entertainment and enhanced in convenience in viewing broadcast programs. Through a modem (40), program guide data are obtained from a server arranged on the Internet, the obtained program guide data are stored in an EPG memory, and viewing log data for a selected broadcast program are stored in a viewing log memory (35). On the basis of the viewing log data and the program attribute of the program guide data, the viewing period of time for each program attribute is summarized and, on the basis of the summarized data, each character image formed by the image data stored in a character data memory is altered in accordance with user's liking in viewing broadcast programs.