Yako Tenma is one of Cecelia Pegasus biological children he himself has been converted willingly to a elegant toon prince(with some fae themetics) Yako believes that hes mother is righteous in her goals compared to most toons Or even his mother Yakko Tenma behaves more maturely and often functions as big brother figure to his "siblings" Yako uses fairytale prince style language to charm others Yakko in duels tends to be most majestic and maturely using toon cards that are often more strategic.