Sheldon mentioning Penny in the series finale of "Young Sheldon" doesn't automatically imply Leonard's demise in The Big Bang Theory. Speculations about Leonard's death arose from a casual remark, but there are numerous plausible explanations.
A very short pic slideshow of Johnny Galecki. I couldn't find hardly any pictures besides a few from here and google so I'm so very sorry that it couldn't be longer. Please comentario and leave me ideas for what i could do better siguiente time.
Despite their differences, they're always there for each other. Penny (Kaley Cuoco), Amy (Mayim Bialik), and Bernadette (Melissa Rauch) are our friendship goals.