| Jimboomba Run To Me | ♀ | 2026 | NL | – | NHSB3379729 | – | ♀ Jimboomba Whoopee Dreams Come True |
| Jimboomba Whoopee Dreams Come True | ♀ | 2018 | NL | – | NHSB3142014 | – | – |
| Jimy Jack Devil of Highland | ♂ | 2023 | CZ | – | CMKU/AKE/795/23 | – | ♀ Chimi Changa Devil of Highland |
| Jo-Jo Black Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/450/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Joke for Mind Rebell Represent | ♀ | 2023 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/858/23 | ♂ Empathic Commander Rebell Represent | ♀ Arrogant Grey Di Casa Hesselink |
| Joker Kelpiebrink | ♂ | 2010 | NL | – | NHSB2807143 | ♂ Almdalens Simon | ♀ Kiwi Kelpiebrink |
| Joko Dai Muratori | ♂ | 2023 | CZ | – | CMKU/AKE/817/23 | – | ♀ Hasty´s Hope Dai Muratori |
| Jolly Jasmine Kimbilio | ♀ | 2024 | CZ | Helena Kučerová | ČMKU/AKE/917/24 | ♂ Hilarious Hachicco Kimbilio | ♀ Gentle Geekii Kimbilio |
| Jolly Jeremiah Kimbilio | ♂ | 2024 | CZ | Helena Kučerová | ČMKU/AKE/916/24 | ♂ Hilarious Hachicco Kimbilio | ♀ Gentle Geekii Kimbilio |
| Jolly Joker Devil of Highland | ♂ | 2023 | CZ | – | CMKU/AKE/796/23 | – | ♀ Chimi Changa Devil of Highland |
| Jolly Jorika Kimbilio | ♀ | 2024 | CZ | Helena Kučerová | ČMKU/AKE/919/24 | ♂ Hilarious Hachicco Kimbilio | ♀ Gentle Geekii Kimbilio |
| Jolly Junia Kimbilio | ♀ | 2024 | CZ | Helena Kučerová | ČMKU/AKE/920/24 | ♂ Hilarious Hachicco Kimbilio | ♀ Gentle Geekii Kimbilio |
| Joul Xapatan | ♂ | 2014 | CZ | – | CMKU/AKE/280/14 | – | ♀ Foxy Xapatán |
| Jovie Journey Devil of Highland | ♀ | 2023 | CZ | – | CMKU/AKE/797/23 | – | ♀ Chimi Changa Devil of Highland |
| Joyce Dai Muratori | ♀ | 2023 | CZ | – | CMKU/AKE/822/23 | – | ♀ Hasty´s Hope Dai Muratori |
| Joytis Black Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/453/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Julissa Black Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/451/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Jumbo Roxy Xapatán | ♀ | 2014 | CZ | Jiří Tancer | ČMKU/AKE/279/14 | ♂ Vinny | ♀ Foxy Xapatán |
| Jumbo Roxy Xpatan | ♀ | 2014 | – | – | – | – | ♀ Foxy Xapatán |
| Jupa Black Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/452/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Jupiter Dai Muratori | ♂ | 2023 | CZ | – | CMKU/AKE/818/23 | – | ♀ Hasty´s Hope Dai Muratori |
| Jurrasic Joker Rebell Represent | ♂ | 2023 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/856/23 | ♂ Empathic Commander Rebell Represent | ♀ Arrogant Grey Di Casa Hesselink |
| Just Man Xapatan | ♂ | 2014 | CZ | – | CMKU/AKE/281/14 | – | ♀ Foxy Xapatán |
| Karana Alice | ♀ | 2010 | AU | – | WKC53913 | ♂ Boanong Buster | ♀ Karana Bonnie IV |
| Karana Big Kev | ♂ | 2015 | AU | – | WKC61593 | ♂ Karana Abba II | ♀ Karana Daisey III |
| Karana Web | ♂ | 2016 | – | – | AS53863/2016 | ♂ Cotway Beaver | ♀ Karana Alice |
| Karrawarra Al Capone | ♂ | 2011 | AU | Karrawarra | WKCA3M-21490-11 | – | – |
| Karrawarra Banjo II | ♂ | 2010 | AU | Karrawarra | WKCA3M-18731-10 | – | – |
| Karrawarra Bear | ♂ | 2010 | AU | Karrawarra | WKCA3M-20280-10 | – | – |
| Karrawarra Ben Hall | ♂ | 2011 | AU | Karrawarra | WKCA3M-21488-11 | – | – |
| Karrawarra Blocker | ♂ | 2010 | AU | Karrawarra | WKCA2M-19014-10 | – | – |
| Karrawarra Blondie | ♀ | 2010 | AU | Karrawarra | WKCA3F-18727-10 | – | – |
| Karrawarra Blue III | ♂ | 2010 | AU | Karrawarra | WKCA3M-18738-10 | – | – |
| Karrawarra Bonnie III | ♀ | 2011 | AU | Karrawarra | WKCA3-21487-11 | – | – |
| Karrawarra Boozer | ♂ | 2010 | AU | Karrawarra | WKCA3M-18724-10 | ♂ Karrawarra Roy IV | ♀ Paddys Pearl |
| Karrawarra Boy III | ♂ | 2011 | AU | Karrawarra | WKCA4M-35465-11 | – | – |
| Karrawarra Cobba | ♂ | 2010 | AU | Karrawarra | WKCA3M-18729-10 | – | – |
| Karrawarra Creamy | ♂ | 2010 | AU | Karrawarra | WKCA3M-18728-10 | – | – |
| Karrawarra Dog | ♂ | 2010 | AU | Karrawarra | WKC54141 | – | – |
| Karrawarra Dora | ♀ | 2010 | AU | Karrawarra | WKCA3F-20279-10 | – | – |
| Karrawarra Dot II | ♀ | 2010 | AU | Karrawarra | WKCA3F-18744-10 | – | – |
| Karrawarra Fanny | ♀ | 2010 | AU | Karrawarra | WKCA3F-18748-10 | – | – |
| Karrawarra Flirt | ♀ | 2010 | AU | Karrawarra | WKCA3F-18739-10 | – | – |
| Karrawarra Fly | ♀ | 2010 | AU | Karrawarra | WKCA3F-20278-10 | – | – |
| Karrawarra Frank | ♂ | 2011 | AU | Karrawarra | WKCA2M-21489-11 | – | – |
| Karrawarra Gem | ♀ | 2010 | AU | Karrawarra | WKCA2F-19016-10 | – | – |
| Karrawarra Gidgee | ♂ | 2011 | AU | Karrawarra | WKCA3M-20276-11 | – | – |
| Karrawarra Ginger II | ♀ | 2010 | AU | Karrawarra | WKCA3F-18746-10 | – | – |
| Karrawarra Girl | ♀ | 2010 | AU | Karrawarra | WKC54028 | – | – |
| Karrawarra Girl IV | ♀ | 2010 | AU | Karrawarra | WKCA3F-20281-10 | – | – |