Jiff Simpson

Jiff Simpson, also known as Kirk Simpson, is the younger child of Bart Simpson and Jenda.

History
He unwillingly went to his father's for Christmas and spent a lot of time with his grandfather instead. Bart, annoyed at this, tried to be a better father to both him and brother, and Homer helped him by telling the kids that Bart wasn't perfect but they should still love him.

He and his brother were chasing Homer's consciousness through pictures in Homer's house as a game. They came round to Bart's apartment and revealed that their mother wasn't happy as she had broken up with her boyfriend,. Later, they were both happy to find out that their mother and father were having another go at things, although it didn't work out.

A clip of Jiff Simpson with the family was seen.

Behind the Laughter
He and his brother Picard are named after the Starship Enterprise Captains Captain Kirk and.

His name is given as Jiff in the script on simpsonsworld.com for the episode "Holidays of Future Passed" and as Kirk for the episode "Days of Future Future".