Grampa Gnumsen is in a league of his own. . At an age of over 2000 years he is by far the oldest Gnumie. His experience and his above average intelligence (even for a Gnumie) make him the most ingenious of the Gnumies on the planet. Grampa's cool and his calm, easy attitude is very reassuring to others. If things become too hectic he is the rock. Grampa Gnumsen loves the unusual. His hobby is inventing and trying out of new things. No matter what kind of problem he is faced with, Grampa always finds a solution. In order to realize his hobby, he built himself a large underground room beside his tree house, in which he can work on his thoughts and ideas in peace. Grampa's best invention beside the " first interplanetary one on-line connection" is the UIFOWHFD (" uncanny ingenious flying object with high frequency drive "), a type of spaceship.