Once terrified of dogs, German adventurer Heike Pirngruber is now walking the globe with Butch, a flea-covered puppy she rescued in Mexico that’s reportedly become one of the most well-traveled dogs on the planet.

Together, the two have crossed continents by foot, canoe, motorbike and tuk tuk, news agency SWNS reported.

Pirngruber, 53, adopted the Australian cattle puppy in 2021 while she was staying in a beach hut in Baja California, Mexico.

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Butch was just a month old, malnourished and alone when she found him.

“I never really liked dogs when I was a kid,” Pirngruber of Heidelberg, Germany, told SWNS. “But the first moment I had little Butch in my arms and knew he was mine now, I couldn’t believe how I felt.”

Her fear of dogs came from years of solo travel — seven of them spent cycling around the world. She was often chased by aggressive strays, she said.

But her perspective began to change after a chance encounter at the beach hut. She had cooked grilled chicken when a street dog, later named Max, appeared at her door, SWNS reported.

Initially hesitant, she was convinced by a friend to feed him.

The next day, Max returned with two companions, Brownie and Pushy.

“I never really liked dogs when I was a kid,” said Pirngruber. “But the first moment I had little Butch in my arms … I couldn’t believe how I felt.” (Heike Pirngruber / SWNS)

She began feeding them regularly and slowly shed her fear.

Later, when a local tried to give away a litter of flea-ridden puppies, Pirngruber made a life-changing decision. She chose Butch and took him on the road.

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“Nothing was the same anymore,” she said. “And I had no clue how this little puppy would change my life.”

She added, “He’s my best friend. I love this guy to death and it’s awesome. I’ve never regretted picking him up and taking him with me on my travels, especially as he wasn’t treated very nicely.”

Butch is shown on the road with Pirngruber as she travels and explores the world.  (Heike Pirngruber / SWNS)

Having Butch by her side changed more than her travel routine, according to SWNS.

“With Butch, I always have someone there. I am never alone. I have such a connection with him and I’m happy with him.”

A former camera operator for ZDF (Zweites Deutsches Fernsehen), Germany’s biggest broadcast station, Pirngruber has been traveling full-time for more than 12 years.

“He’s my best friend. I love this guy to death and it’s awesome. I’ve never regretted picking him up and taking him with me on my travels, especially as he wasn’t treated very nicely.” (Heike Pirngruber / SWNS)

She has visited 104 countries across every inhabited continent.

Originally, she’d planned to cross the Americas by donkey in 2020, she said, followed by a break in Baja California in 2021.