If you're looking for anime similar to Zettai Zetsumei Dangerous Jii-san: Special-ban, you might like these titles.
When Nobita orders an item from the future in 1989, the deliveryman instead delivers it to his son, Nobisuke, in 2011. However, Nobisuke has no idea what it is and gives it to his friend Giachibi without opening it. Later that day, Dorami-chan arrives to locate the missing package, which contains a mini Doraemon robot named MiniDora. When Nobisuke realises that he’d inadvertently given MiniDora away, he tries to track down his Giachibi, though as the pair and their other pal, Suneki, begin to learn of the tiny robot’s secrets they get into more trouble than they bargained for…
Rocky Rackat (Pokonyan) is a funny little creature that's a bit of a cross between a cat and a raccoon. There are rumors that he may be a lunar cat, however this is not a documented fact, he may be a bit looney at times, yet his origin remains a mystery.Rocky is quite innocent and unaware of the value of his special powers. He has the ability to turn children's fantasies into realities. The sky is the limit in the adventures he can create!