Bosco, Karo, and Ubet are all popular brands of chocolate syrup. Bosco is a five-letter brand that has been around since 1928 and is known for its rich flavor and creamy texture. Karo is a four-letter brand that has been around since 1902 and is known for its smooth, sweet taste. Ubet is also a four-letter brand that has been around since the early 1900s and is known for its thick, syrupy consistency. All three brands are widely available in grocery stores and can be used to make delicious desserts and drinks.