Howard Lovecraft & the Frozen Kingdom
 

Children's movie using Lovecraft as a young kid as the protagonist. And Cthulu as his pet named Spot.

A lot of this commercializing of Lovecraft's mythos bores me. It takes away the dread, horror just out of sight, how we're more cosmically infinitesimal thatn we think, etc.

But if you like it, no judgements ;), here's the trailer: