Alexander Maximilian Bartholomew Thaddeus Kelson is an old man who lives with his grandson that makes these silly machinery that ends up being either broken or exploded. He has a cat named Mo who he loved dearly but Leo doesn’t as Mo would always mess with Leo’s machines but Leonard’s grandpa doesn’t think much and continues to love Mo. He also has a wife who is now still living in the countryside, being a sassy old lady farmer. He has bad hearing. He lives in Backwell, UK.