Paid PostPosted on Jun 24, 201613 Photos Of Ferocious (And Totally Not Adorable) Guard DogsBeware.by XfinityBrand PublisherFacebookPinterestTwitterMailLink 1. These beasts are brick walls... Ollie Collie @Olliethecollie1 Sleep tight. Your guard dog is awake. 08:49 PM - 20 May 2016 Reply Retweet Favorite 2. ...and cunning masters of disguise. Becky Zahr @beczahr Beware of guard dog 11:59 PM - 22 May 2016 Reply Retweet Favorite 3. Nothing gets by them. Not on their watch. â @MissGFY My little guard dog ð¶ Mon Apr 13 20:35:52 UTC+0000 2015 Reply Retweet Favorite 4. Heed the sign before it's too late. Logan Kramer @logan_bobogan Meet my guard dog. #vicious 07:17 PM - 15 Aug 2014 Reply Retweet Favorite 5. OK, this one's gonna have to see some form of identification there, buddy. yv ☁ @skyofdiamondss guard dog reporting for duty 09:59 AM - 27 Mar 2016 Reply Retweet Favorite 6. And now this guy's gotta run your name through the dispatcher. erica @ericaorara The guard dog at my dads work 😂❤️ 01:45 AM - 03 Feb 2016 Reply Retweet Favorite 7. This door? No one's allowed beyond this door. G @G_Esquivel40 Guard dog 06:52 AM - 26 Nov 2015 Reply Retweet Favorite 8. That means you. Step away from the door, please. Patty⚓Morris @pattyvmorris Found a very intimidating guard dog today 08:56 PM - 01 Jun 2015 Reply Retweet Favorite 9. Don't make them assume the defensive position. Alex Jasper @alexbjasper Frank the guard dog 🐶💤 01:14 AM - 09 May 2016 Reply Retweet Favorite 10. Stand back. These brutes are poised to pounce! Phil Laboon @PhilLaboon This is our guard dog at the office...so vicious, WATCH OUT! #Bowser #DogsofTwitter #OfficeDog #Eyeflow 04:03 PM - 17 Sep 2015 Reply Retweet Favorite 11. SIC 'EM, BOY!!!!! Ricky Panick @rickpanick Blue is the guard dog for my instruments.... He's vicious!! 05:25 PM - 29 Mar 2016 Reply Retweet Favorite 12. No, not 'Lick 'em!' P.R. the D.M. @CowboyCentaur @Sorcerer_Blob it's okay, we have a guard dog 05:23 PM - 10 May 2016 Reply Retweet Favorite 13. Down, boy. 😒 Dave @Davethequiz AVAILABLE: APPRENTICE GUARD DOG. SOME TRAINING REQUIRED. 09:31 PM - 24 Jan 2016 Reply Retweet Favorite XFINITY Home provides 24/7 professional monitoring so your guard dog can take time off. Curious what else pets do? Go see The Secret Life of Pets on July 8!