In 'How I Met Your Mother', which character's catchphrase is "Legendary"?

In 'The Big Bang Theory', which character says "Bazinga!"? Who played Sheldon Cooper in 'The Big Bang Theory'? Which 'The Big Bang Theory' spin-off follows Sheldon's childhood in Texas? In 'How I Met Your Mother', who is the narrator telling the story to his kids? Who played Barney Stinson in 'How I Met Your Mother'? In 'Parks and Recreation', in which fictional Indiana town is the show set? Who played Leslie Knope in 'Parks and Recreation'? Which 'Parks and Recreation' character loves breakfast food and woodworking?