Thunderclump
Dunderklumpen! (original)
Starring Beppe Wolgers, Jens Wolgers, Halvar Björk, Håkan Serner, Gösta Ekman, Toots Thielemans, Lotten Strömstedt, Sif Ruud, Birgitta Andersson, Stig Grybe
It's a animation and kids movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.