Complex sentence: Lincoln often encounters problems as a result of his large amount of family members which his best friend Clyde helps him solve, who spends much of his time at the Loud House and communicates with Lincoln via a walkie-talkie when he is not around.
Split into simpler sentences: Lincoln often encounters problems as a result of his large amount of family members, which his best friend Clyde helps him solve. Clyde spends much of his time at the Loud House and communicates with Lincoln via a walkie-talkie when he is not around.