Exodus 8:2
And if you refuse to let them go, behold, I will smite all your borders with frogs:
Torrey's Topical Textbook—AKJV

Revelation 16:13
And I saw three unclean spirits like frogs come out of the mouth of the dragon, and out of the mouth of the beast, and out of the mouth of the false prophet.
Torrey's Topical Textbook—AKJV