Epilog -- Famous Last Words
The police commissioner for my city is a reasonably fair-minded bullmastiff whose all-but-trademarked thick mustache is often given a ribbing, but never seriously (if only because he's not a guy you want to piss off).
Chapter 11: How to Fly Like a Fox
The bullmastiff prided himself on his physical strength and combat prowess, and demanded a good deal more than just 110% from his soldiers.
MFM5: The Canine Key
It was quinn, accompanied by gomez, a fierce looking bullmastiff. quinn was furious, even showing his teeth. "what the fuck are you doing!? you're supposed to guard the damn wall!!!" - "sorry, sir!"
Chapter 37: Resolutions
Even those senators who would have supported the general in his coup attempt were not so foolish as to commit political suicide in an attempt to acquit the bullmastiff given the mountain of evidence against him.
Monstra Exotica: Episode 03
Hiro's two canids, rei a large bodied bullmastiff and tei a slim athletic shiba inu both stood talking with the caravan rider. "hello" hiro greeted as he reached them.
A Bitch of an Escape Room
All that remained of the former men were two, fully-formed bullmastiffs, clearly male by the sight of their disturbing erections. both dogs barked and growled at the clock, as though human defiance still persisted in their canine psyches.
An Endless Voyage Ch 56: The Estrus Festival
After being subjected to multiple cavity searches, repeated sniff tests, eye scans, and even manual expression of anal glands to rule out the possibility of scent masking (for the canine members of the group.), knightmaster failin, a bulky bullmastiff girl
Chapter 26: Mental Discipline
On the abandoned industrial world of eladard, a bullmastiff sat fuming at his terminal. "so, fox mccloud is a telepath as well. just fucking great."
Liferings
"bullmastiff, isn't that one?" zack asked. i nodded. "she just kinda flopped on her back, wagging her tail along the floor. isn't that kind of weird?" i chuckled. "well, that's a submissive posture.