Xolo will follow the Little Girl Giant as she tours Liverpool.
According to the organisers the dog will interact with the crowd and can reach speeds of up to six kilometers an hour
Liverpool City Council have confirmed a 9ft tall dog will also roam the city during Sea Odyssey, it's Giant Spectacular.
A 30ft 'Little Girl Giant' and another 50ft puppet playing the part of the uncle are also coming to the city.
The dog is called Xolo and is modelled on a hairless Mexican breed.
Three "giants" are to walk through Liverpool in the city's biggest ever piece of street theatre.
Thousands are expected to watch Sea Odyssey from 20-22 April.
It will tell the story of a girl trying to find out about her father who died on the Titanic.
She'll be joined by her 50ft-tall uncle and dog.
– Cllr Wendy Simon, Cabinet Member for Culture and Tourism, Liverpool City Council
"It's been a big legacy of 2008. Lots of our cultural organisations already work in different communities right across the city. But we've got some fantastic parks in north Liverpool and we've got some fantastic vantage points of the city - at Everton Brow you get the best views. I just think it's going to be something people will really remember."
She's called the Little Girl Giant - and she's coming to Liverpool.
This animation gives a sneak preview of what the city's Sea Odyssey 'Giant Spectacular' may look like.
For more information, click here.
The Little Girl Giant will tour Liverpool as she hunts for her lost father.
She's the creation of French theatre company Royal de Luxe.
Liverpool City Council say they are expecting hundreds of thousands to line the streets to watch her and another puppet, which is playing the part of her uncle.
Two giant puppets will tour Liverpool for three days from April 20.
They will tell the story of a little girl from the city who is looking for her father, who was on the Titanic, and her reunion with her uncle.
Director Jean-Luc Courcoult hopes the event will create civic pride. At a press conference today, he said:"It's important the people of the city have roots belonging to the past."
For more information, go to www.giantspectacular.com/