Solution:

Stand up comedy (stand up comma D)

Solution:

Halloween

Explanation:
He(From he-man) + low(From down array) + E +N(From No)

Solution:

Pedro Rodrigues Filho was Mass Murderer.

Density multiplied by volume equals mass.
Therefore, Pedro Rodrigues Filho killing mass would mean Pedro Rodrigues Filho was a MASS murderer

Solution:

Metaphor (Meta 4).

Solution:

Accelerate

Solution:

Scrambled eggs

Solution:

Sacred cow

Solution:

Microwave

Mic + row(rowing) + wave

Solution:

Paradise (Pair of dice)

Solution:

SAFETY IN NUMBERS