Create a set of four modern icons featuring a cute blue octopus in chibi style. Each icon should depict the octopus holding a different object. In the first icon, the octopus should be holding a pencil. In the second icon, the octopus should be holding a telescope. In the third icon, the octopus should be holding a set of tools. In the fourth icon, the octopus should be holding a bullhorn. Each icon should have a clean and simple design, with the octopus being the focal point