Well as you are so honest here are mine.
Fenrir - none that can be printed here!!! He does not lend himself to nicknames as a rule
Cossack - Sossy
Tala - Lala
Maggie - Me Me (obvious reasons)
Kaizen - Doofus (even more obvious reasons) Bless him!

We got a dog at 18 months whose name was Thicket - no way could yell that down the garden as neighbours would have wet themselves so renamed him Athos and he passed last year at 9
Also gave home to a 7 year old bitch called Maisie who was very set in her ways. I was told calling her a cow was not polite so nickname ended up as Mooie (closest to cow I could get) - loved her but sadly no longer with us

I do try not to call them by nicknames in public but like most I do forget then I get the laughs and the ribbing.

Hey,
Here is the nicknames I call my Dogs

Missy - Minnie, Mindy, Minns
Monty- Monny,
Both Monty and Missys nick name toghter is Mork and Mindy.
See ya
Yvonne

Megan is called by Meg, Megs, Smeg, Batfink (if you saw her ears you'd know why) Smeggy, Cowbag

Bobby is called by Bobs Bobster, Big Man (most swear words beginning with B) Bibs, Bobalong.

Jenny in agility is known as Jumpin' Jenny. All the mommies call her Jennypoo lol... Jenny-Fur (as in Jennifer who sheds a lot LMAO!)

Louie has soooo many but here are just a few I can remember
Thug/ Thuggie - cos he was far to over confident as a small pup
Lou Lou
Loubedoo
Doo
Doodles
Pud
Pup/Puppy
Git features - when he really won't listen
Thicket
Doofus
S##t bag - when he really is being a pain in the bum
Dozer - the neighbour calls him this as he runs at his fence like a bulldozer when he wants to say hello rather than jumping up nicely

I like this thread.
Jadie - is jayjay or tinkerbell ( collar jangles!)

Jack.- Black Jack, or Jack jack or frog dog ( cos he does that belly down legs out thing and looks like a frog!!)

First, both my lads have five-word names ("Sunday names"), in Icelandic ( ) -
Kali (Rognvaldr Kali Kolsson Orkneyjar Jarl) :
Nidget - an obsolete English word, meaning "Good for nothing cowardy-custard", which gives rise to "Nidge", "Nidger" and even "The Nidgerator". He answers also to "You daft old lummox".
Snorri (Snorri Thorgrimur Thorgrimsson Helgafellir Godi):
Sootyfoot, Gobblechops, Snorgie Porgie, Snorbert Snodgers, Mr.Bojingles (jingling his ID tag and his "vetalert"*), Mr.Shaggypants.
They will both answer to "BOYS!" or "DOGGIES!"

*vetalert - second ID disc with info about his epilepsy and his vet, in case he gets lost. We thought that if we publicised his epilepsy, he might be less likely to get dognapped (who wants to steal a "faulty" dog?).

Snorri

Lexi is mostly called Lexilu or Mrs Trubshaw if she is naughty
But she doesnt know the walkies word as I say "come on Lexilu lets go crappydoo"

barton is called almost anyname some the more common ones are-
Mr bugalugs
bugalugs
preattypooo
toad
little belly rug
Ghost
snukims


and I have to add the one my daughter calles my parents dog harley she has gotton so embarresed once because she thought she was the only one home and was caught (not by us but by a group of people walking behind the house) calling out common mr harley warley pudding and pie we have to go find snukimins

Rocky gets called -

Rocketdog
Rocky Horror
Rocket Sprocket
Batfink
Stinky Boy
Boston Baby