Which English king did the gunpowder plot attempt to kill?

The Gunpowder Plot aimed to assassinate King James I of England. The conspirators, including Guy Fawkes, planned to blow up the House of Lords during the State Opening of Parliament in 1605 to eliminate the king and other officials. Their goal was to restore Catholic rule in England. However, the plot was discovered, and the conspirators were arrested before they could execute their plan.