Which of these literary brand mascots has been in continuous use for the longest period of time?

Test your knowledge about famous literary brand mascots that have become cultural icons in the publishing industry! These characters have helped shape brand identity, driven marketing campaigns, and connected readers with publishers and bookstores for decades. From children's literature to major publishing houses, these mascots have left their mark on the literary landscape. Can you identify which famous literary mascot has the longest continuous history representing its brand?

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Penguin Books' Penguin (first appeared in 1935)
Random House's House Logo (first appeared in 1927, but underwent significant redesigns)
Barnes & Noble's Nook Bear (first appeared in 2009)
Scholastic's The Magic School Bus (first appeared as a brand mascot in 1986)