The Bewilderbeast (How to Train Your Dragon) breathing a powerful hydro blast, combined with its extremely cold breath, creating immense 'glacial explosions'.
Cryolophosaurus (Dinosaur King) using Blizzard Smash
Tracy Strauss (Heroes)
Esdeath (Akame Ga Kill!) can summon ice from thin air.
Lucius Best/Frozone (The Incredibles)
Simon Petrikov/Ice King (Adventure Time)
Sapphire (Steven Universe)
Shouto Todoroki (My Hero Academia) possesses the quirk "Half-Cold Half-Hot" gives the right side of his body the power to generate ice and his left side to generate fire. Overuse of one specific power could be detrimental to his body and weaken his attacks, such as the overuse of his ice powers giving him frostbite.
the Frosticons (Mixels)
Among other abilities, Stormy Weather (Miraculous Ladybug) can generate ice.