Mainframe is a fictional Autobot character from the Transformers franchise, most notably appearing in Transformers: Generation 1 and related continuities. He is typically portrayed as a computer expert or programmer, often associated with data processing, technical support, and communication systems. As a supporting Autobot, Mainframe helps the team with information analysis and electronic problem-solving rather than frontline combat. His role in the series is usually that of a helpful tech specialist who assists the Autobots in understanding and using advanced systems.