Electric potential has a unit of volt denoted by V, named after the scientist, Alessandro Volta.
Electric resistance has a unit of ohm, denoted by upper Greek letter Ω, named after the scientist, George Simon Ohm.
Electric charge has a unit of coulomb denoted by C, named after the scientist, Charles-Augustin de Coulomb.
Electric power has a unit of watt denoted by W, named after the scientist, James Watt.