Also, these sign-on and off idents are also designed by Primal Screen, which is eyes are opened or closed while the Cartoon Network logo was shown as a TNT-like dynamite when it exploded. They are used in these two color options, like: Yellow (for weekday mornings) and Black/Dark Blue (for midnights and late night periods). These used in the 5:00am handover on TNT in the United States until May 2003.
thanks to warner bros. discovery for tnt and cartoon network, myself for the sign on/off ident idea (based on télétoon by the french satellite service called tps jeunesse), and all