Bruno the kitten is gentle and reserved and he is Lotte’s best friend. He prefers to let Lotte make all the important decisions. However, he is as smart as Lotte. Bruno’s mother wants his son to become a famous musician. Bruno’s father sees his son as a future world champion in discus throwing. Bruno however dreams of becoming a gardener.
Albert the young hare is a friend of Lotte and Bruno. But Albert has got another loyal friend – a cucumber. Albert enjoys talking to the cucumber about various things. Albert is also able to notice the things that Lotte and Bruno tend to overlook at first. Albert dreams of becoming a cook.
Lotte’s mother Anna makes the best pancakes in Gadgetville. Anna is happy with all the gadgets that Oskar has invented to make household chores easier. She also likes that Lotte very much resembles herself as a girl.
Bruno’s mother Paula has dabbled in music in her youth. So she dreams of Bruno becoming a famous musician. She is averse to sports, she doesn’t want Bruno to fly around in the world with the hammer like his father before him.
Lotte is a cheerful and inquisitive puppy girl. She has a tomboy’s liveliness and recklessness but she has also got a fair share of girlish tenderness and sensitivity. Lotte is the very soul of all the ventures, every new adventure makes her eyes shine and her heart beat faster. Lotte will certainly invent some necessary things when she grows up. At present she prefers to play and swim in the sea with her friends Bruno the Kitten and Albert the young hare.
Albert’s mother Sohvi loves her family boundlessly. So she forgives Adalbert all his attempts to achieve the title of the best inventor using dishonest tricks. Albert and Sohvi have a close and confidential relationship and she always finds a good solution to his son’s problems.
Lotte’s father Oskar is the best inventor in Gadgetville. First and foremost Oskar’s world consists of his inventions. He completes all the gadgets that he sets out to construct. At the same time Oskar is a pleasant and understanding father. When he has to choose between playing with Lotte and inventing another gadget, he always chooses the first option.
Oskar’s childhood friend and deskmate Klaus is an old rover dog. In his travels he has circled the world twice – first from right to left and the second time from left to right. Both times he returned safely. Now Klaus likes to lie in his suitcase, play harmonica and tell the children of Gadgetville exciting stories about his travels.
Jaak the fly thinks that he is the most important person in Gadgetville. His job is to wake everybody in Gadgetville in the morning and get them to bed in the evening. Jaak takes his job very seriously. He knows that those who won’t sleep well at night will sulk around next day.
Susumu the bee reached Gadgetville between the pages of a bulky book floating in the sea. Sususmu’s real home is far away, in Japan. Susumu was a famous gardener there. In Gadgetville Sususmu also gardens, he grows fabulously sweet carrots and is always willing to give advice to the villagers. But he also gives judo lessons to the villagers. The villagers think that the judo throw is very useful in housekeeping.
Mati the cat, Bruno father, is a fine athlete and hammer thrower. His attempts at beating the world record often take him far from home. But Mati always returns. Sometimes these return journeys turn into real peregrinations but above all, Mati holds dear his home and family.
Giovanni the fox is an enthusiastic inventor who uses in his gadgets the objects that he finds in his kitchen. Giovanni’s spirited wife Julia fiercely protests when this happens. But when Giovanni demonstrates a radio set built into a soup pot or a fountain constructed from cutlery Julia is always very proud of her husband.
Albert’s father Adalbert the hare longs to be the most famous inventor. Then he would be the most important hare in Gadgetville. However, Adalbert is impatient and restless, never properly finishing anything and that is the reason why he constantly fails. But Adalbert is an inveterate optimist, not letting setbacks to discourage him.
Eduard is a jolly bear who loses at least a dozen of his possessions on a daily basis. That is why Eduard always carries a big rake with him. While raking the lawn he often finds his lost things in the grass. Eduard thinks that his things play hide-and-seek with him.
Doctor Ave is a hare who likes to heal people. In her case there is an icicle for every bruise, a plantain leaf for every graze and soothing beetroot balm for every blister. Doctor Ave is eagerly looking forward to someone needing her help and her hospital is open round-the-clock. There are no diseases that wouldn’t tremble at the mention of doctor Ave’s name.
Ruta is a pretty fly girl whose home is in Latvia, in a beautiful city called Riga. Ruta really likes hiking and as soon as the warm summer weather has arrived, Ruta sets out on a longer trip. Last year Ruta arrived at Gadgetville. Here she met Jaak the fly. It was love at the first sight and it was followed by a grand wedding.
Julia is a sky-fox like her husband Giovanni. Julia’s favourite occupation is cooking. Unfortunately it is far from easy. Giovanni has become convinced that a real invention could only be achieved by using kitchen utensils. Julia keeps fighting for her kettles and frying pans and there are never real quarrels in their house. For it is really quite nice to sit in front of the radio constructed of plates, spoons and a big sieve and listen to the latest news from the wide world.
Väino the weasel is the most tenacious inventor in Gadgetville. For several years he has tried to make warm brown bread out of a brick. In the first year he managed to make sawdust instead of brown bread, followed by several handfuls of chestnuts and acorns, a couple of dozen right and left foot socks, three soup kettles, two harmonicas, peas, carrots and a bagful of fir cones. Väino is a bachelor but he has promised to find a wife as soon as he has managed to get warm brown bread. His future wife will be the first one to take a bite of the bread.
There are many different insects living in Gadgetville. Ants are the most numerous, they have even built three big houses to live in. Ladybirds mainly live in the trees. They have their small houses, a café, a carpentry, a sauna and a library there. Grasshoppers dwell in small huts made of twigs and grasses in summer. They have no time to build larger cottages, their orchestra plays sweet night melodies for the villagers in all the summer nights on the seaside in the branches of an old conker tree. When autumn comes, grasshoppers move to the attic of Lotte’s house, resting there until the next summer. Only on New Year’s Eve do they come down and party with the other villagers till morning.