‏الحج : Hadeeth No:3216 Ibn Umar narrated from Allaah's Prophet (sallAllaahu alayhi wa sallam) a hadlth like this....

‏الفتن وأشراط الساعة‏ : Hadeeth No:7009 Anas b. Malik reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) said: Dajjal is blind of one eye and there is written between his eyes the word" Kafir". He then spelled the word as k. f. r., which every Muslim would be able to read....