People ask about whether Gaster likes puns a lot, and basically I figure he's like Papyrus in that he doesn't really care about them either way, but he does like playing the annoyed straightman for people who do like puns. Toriel loved teasing him with bad science puns all the time.
then she ruffles his skull and gives him a kiss on the forehead before heading off
双关不会……感谢贴吧里的小伙伴们的帮忙!