Joshua the Dog is the father of brothers Jake, Finn, and Jermaine. He and his wife, Margaret, adopted Finn as a baby. He speaks in a 1940s Mid-Atlantic accent. Joshua's personality is demonstrated as an old-fashioned manly dog who is willing to push his sons to fight, particularly when they need to.
Powers and Stats
Tier: At least 7-B, likely 6-C
Origin: Adventure Time
Classification: Dog, Supernatural Investigator
Attack Potency: At least City level, likely Island level (Defeated Kee-Oth, a demon who even in a weakened state, was vastly superior to the Ice King and couldn't be even scratched by his best efforts. Defeated the Evil Monster, and should be at least comparable to Finn and Betty, with the latter having defeated Bella Noche, an entity who was unnaffected by Huntress Wizard's attacks and was revered as an immensely powerful being by the council of wizards, which included Bufo, who should be well above inexperienced wizards, who can output this level of power)
Speed: Massively Hypersonic+ (Comparable to Kee-Oth, who appeared to be faster than the Ice King)
Lifting Strength: Likely Class K (Should be comparable or superior to Finn, who hurled the Evil Monster)
Striking Strength: At least City Class, likely Island Class (Defeated Kee-Oth, who couldn't be even scratched by Ice King's best efforts)
Durability: At least City level, likely Island level (Has fought and defeated an untold number of powerful monsters. Some of which still proved to be threats to Finn, Jake and Jermaine)
Range: Melee Range, higher with swords and other weapons.
Standard Equipment: The Demon Blood Sword, A Pickaxe and presumably many other weapons
Intelligence: He seems to be very skilled in combat, as he was able to outsmart and capture various monsters, such as Kee-Oth and the Evil Monster
Weaknesses: None notable