Revelation 11:9

11:9 For three and a half days those from every people, tribe, nation, and language will look at their corpses, because they will not permit them to be placed in a tomb.

Revelation 11:11

11:11 But after three and a half days a breath of life from God entered them, and they stood on their feet, and tremendous fear seized those who were watching them.

Revelation 16:13

16:13 Then I saw three unclean spirits that looked like frogs coming out of the mouth of the dragon, out of the mouth of the beast, and out of the mouth of the false prophet.