How To Get Shiny Ho-ho In Pokemon Silver My Legendary Pokemon Are All Shiny And I Dont Want Them To Be?

My legendary pokemon are all shiny and i dont want them to be? - how to get shiny ho-ho in pokemon silver

Can someone my swicth Lugia Lugia used for a brilliant, brilliant-ho, ho, ho-ho for a regular pokemon and a bright screen, a regular darki darki that my shiny pokemon, I would swicth it on a regular basis